Revert of SkDrawCommand scrubbing (patchset #2 id:20001 of https://codereview.chromium.org/706363002/)

Reason for revert:
Canary borkage.

Original issue's description:
> SkDrawCommand scrubbing
>
> Remove unused ctor, constify, etc.
>
> R=robertphillips@google.com
>
> Committed: https://skia.googlesource.com/skia/+/1931ec5b5dac68f1e452af0c65161bdce35b2dec

TBR=robertphillips@google.com
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/712683002
diff --git a/debugger/QT/SkDebuggerGUI.cpp b/debugger/QT/SkDebuggerGUI.cpp
index 4901d62..59bfcca 100644
--- a/debugger/QT/SkDebuggerGUI.cpp
+++ b/debugger/QT/SkDebuggerGUI.cpp
@@ -689,7 +689,8 @@
                 fCanvasWidget.drawTo(currentRow);
                 fImageWidget.draw();
             }
-            const SkTDArray<SkString*> *currInfo = fDebugger.getCommandInfo(currentRow);
+            SkTDArray<SkString*> *currInfo = fDebugger.getCommandInfo(
+                    currentRow);
 
             /* TODO(chudy): Add command type before parameters. Rename v
              * to something more informative. */
diff --git a/debugger/SkDebugger.h b/debugger/SkDebugger.h
index 5359b10..53b480a 100644
--- a/debugger/SkDebugger.h
+++ b/debugger/SkDebugger.h
@@ -79,7 +79,7 @@
         return fDebugCanvas->getCommandAtPoint(x, y, index);
     }
 
-    const SkTDArray<SkString*>* getCommandInfo(int index) const {
+    SkTDArray<SkString*>* getCommandInfo(int index) {
         return fDebugCanvas->getCommandInfo(index);
     }
 
diff --git a/src/utils/debugger/SkDebugCanvas.cpp b/src/utils/debugger/SkDebugCanvas.cpp
index b07b383..3b68365 100644
--- a/src/utils/debugger/SkDebugCanvas.cpp
+++ b/src/utils/debugger/SkDebugCanvas.cpp
@@ -379,7 +379,7 @@
     fCommandVector[index] = command;
 }
 
-const SkTDArray<SkString*>* SkDebugCanvas::getCommandInfo(int index) const {
+SkTDArray<SkString*>* SkDebugCanvas::getCommandInfo(int index) {
     SkASSERT(index < fCommandVector.count());
     return fCommandVector[index]->Info();
 }
diff --git a/src/utils/debugger/SkDebugCanvas.h b/src/utils/debugger/SkDebugCanvas.h
index bdd04aa..0beb642 100644
--- a/src/utils/debugger/SkDebugCanvas.h
+++ b/src/utils/debugger/SkDebugCanvas.h
@@ -102,7 +102,7 @@
         Returns information about the command at the given index.
         @param index  The index of the command
      */
-    const SkTDArray<SkString*>* getCommandInfo(int index) const;
+    SkTDArray<SkString*>* getCommandInfo(int index);
 
     /**
         Returns the visibility of the command at the given index.
diff --git a/src/utils/debugger/SkDrawCommand.cpp b/src/utils/debugger/SkDrawCommand.cpp
index 142c4a4..93c436d 100644
--- a/src/utils/debugger/SkDrawCommand.cpp
+++ b/src/utils/debugger/SkDrawCommand.cpp
@@ -20,6 +20,11 @@
     , fVisible(true) {
 }
 
+SkDrawCommand::SkDrawCommand() {
+    fOffset = 0;
+    fVisible = true;
+}
+
 SkDrawCommand::~SkDrawCommand() {
     fInfo.deleteAll();
 }
@@ -76,7 +81,7 @@
     return NULL;
 }
 
-SkString SkDrawCommand::toString() const {
+SkString SkDrawCommand::toString() {
     return SkString(GetCommandString(fDrawType));
 }
 
@@ -85,7 +90,7 @@
     fInfo.push(SkObjectParser::CustomTextToString("No Parameters"));
 }
 
-void SkClearCommand::execute(SkCanvas* canvas) const {
+void SkClearCommand::execute(SkCanvas* canvas) {
     canvas->clear(fColor);
 }
 
@@ -202,7 +207,7 @@
     fInfo.push(SkObjectParser::BoolToString(doAA));
 }
 
-void SkClipPathCommand::execute(SkCanvas* canvas) const {
+void SkClipPathCommand::execute(SkCanvas* canvas) {
     canvas->clipPath(fPath, fOp, fDoAA);
 }
 
@@ -220,7 +225,7 @@
     fInfo.push(SkObjectParser::RegionOpToString(op));
 }
 
-void SkClipRegionCommand::execute(SkCanvas* canvas) const {
+void SkClipRegionCommand::execute(SkCanvas* canvas) {
     canvas->clipRegion(fRegion, fOp);
 }
 
@@ -235,7 +240,7 @@
     fInfo.push(SkObjectParser::BoolToString(doAA));
 }
 
-void SkClipRectCommand::execute(SkCanvas* canvas) const {
+void SkClipRectCommand::execute(SkCanvas* canvas) {
     canvas->clipRect(fRect, fOp, fDoAA);
 }
 
@@ -250,7 +255,7 @@
     fInfo.push(SkObjectParser::BoolToString(doAA));
 }
 
-void SkClipRRectCommand::execute(SkCanvas* canvas) const {
+void SkClipRRectCommand::execute(SkCanvas* canvas) {
     canvas->clipRRect(fRRect, fOp, fDoAA);
 }
 
@@ -266,7 +271,7 @@
     fInfo.push(SkObjectParser::MatrixToString(matrix));
 }
 
-void SkConcatCommand::execute(SkCanvas* canvas) const {
+void SkConcatCommand::execute(SkCanvas* canvas) {
     canvas->concat(fMatrix);
 }
 
@@ -291,7 +296,7 @@
     }
 }
 
-void SkDrawBitmapCommand::execute(SkCanvas* canvas) const {
+void SkDrawBitmapCommand::execute(SkCanvas* canvas) {
     canvas->drawBitmap(fBitmap, fLeft, fTop, fPaintPtr);
 }
 
@@ -320,7 +325,7 @@
     }
 }
 
-void SkDrawBitmapMatrixCommand::execute(SkCanvas* canvas) const {
+void SkDrawBitmapMatrixCommand::execute(SkCanvas* canvas) {
     canvas->drawBitmapMatrix(fBitmap, fMatrix, fPaintPtr);
 }
 
@@ -350,7 +355,7 @@
     }
 }
 
-void SkDrawBitmapNineCommand::execute(SkCanvas* canvas) const {
+void SkDrawBitmapNineCommand::execute(SkCanvas* canvas) {
     canvas->drawBitmapNine(fBitmap, fCenter, fDst, fPaintPtr);
 }
 
@@ -390,7 +395,7 @@
     fInfo.push(SkObjectParser::IntToString(fFlags, "Flags: "));
 }
 
-void SkDrawBitmapRectCommand::execute(SkCanvas* canvas) const {
+void SkDrawBitmapRectCommand::execute(SkCanvas* canvas) {
     canvas->drawBitmapRectToRect(fBitmap, this->srcRect(), fDst, fPaintPtr, fFlags);
 }
 
@@ -411,7 +416,7 @@
     fInfo.push(str);
 }
 
-void SkDrawDataCommand::execute(SkCanvas* canvas) const {
+void SkDrawDataCommand::execute(SkCanvas* canvas) {
     canvas->drawData(fData, fLength);
 }
 
@@ -445,7 +450,7 @@
     fInfo.push(SkObjectParser::PaintToString(paint));
 }
 
-void SkDrawOvalCommand::execute(SkCanvas* canvas) const {
+void SkDrawOvalCommand::execute(SkCanvas* canvas) {
     canvas->drawOval(fOval, fPaint);
 }
 
@@ -472,7 +477,7 @@
     fInfo.push(SkObjectParser::PaintToString(paint));
 }
 
-void SkDrawPaintCommand::execute(SkCanvas* canvas) const {
+void SkDrawPaintCommand::execute(SkCanvas* canvas) {
     canvas->drawPaint(fPaint);
 }
 
@@ -491,7 +496,7 @@
     fInfo.push(SkObjectParser::PaintToString(paint));
 }
 
-void SkDrawPathCommand::execute(SkCanvas* canvas) const {
+void SkDrawPathCommand::execute(SkCanvas* canvas) {
     canvas->drawPath(fPath, fPaint);
 }
 
@@ -530,7 +535,7 @@
     }
 }
 
-void SkDrawPictureCommand::execute(SkCanvas* canvas) const {
+void SkDrawPictureCommand::execute(SkCanvas* canvas) {
     canvas->drawPicture(fPicture, fMatrixPtr, fPaintPtr);
 }
 
@@ -563,7 +568,7 @@
     fInfo.push(SkObjectParser::PaintToString(paint));
 }
 
-void SkDrawPointsCommand::execute(SkCanvas* canvas) const {
+void SkDrawPointsCommand::execute(SkCanvas* canvas) {
     canvas->drawPoints(fMode, fCount, fPts, fPaint);
 }
 
@@ -610,7 +615,7 @@
     fInfo.push(SkObjectParser::PaintToString(paint));
 }
 
-void SkDrawPosTextCommand::execute(SkCanvas* canvas) const {
+void SkDrawPosTextCommand::execute(SkCanvas* canvas) {
     canvas->drawPosText(fText, fByteLength, fPos, fPaint);
 }
 
@@ -637,7 +642,7 @@
     fInfo.push(SkObjectParser::PaintToString(paint));
 }
 
-void SkDrawPosTextHCommand::execute(SkCanvas* canvas) const {
+void SkDrawPosTextHCommand::execute(SkCanvas* canvas) {
     canvas->drawPosTextH(fText, fByteLength, fXpos, fConstY, fPaint);
 }
 
@@ -657,7 +662,7 @@
     fInfo.push(SkObjectParser::PaintToString(paint));
 }
 
-void SkDrawTextBlobCommand::execute(SkCanvas* canvas) const {
+void SkDrawTextBlobCommand::execute(SkCanvas* canvas) {
     canvas->drawTextBlob(fBlob, fXPos, fYPos, fPaint);
 }
 
@@ -684,7 +689,7 @@
     fInfo.push(SkObjectParser::PaintToString(paint));
 }
 
-void SkDrawRectCommand::execute(SkCanvas* canvas) const {
+void SkDrawRectCommand::execute(SkCanvas* canvas) {
     canvas->drawRect(fRect, fPaint);
 }
 
@@ -697,7 +702,7 @@
     fInfo.push(SkObjectParser::PaintToString(paint));
 }
 
-void SkDrawRRectCommand::execute(SkCanvas* canvas) const {
+void SkDrawRRectCommand::execute(SkCanvas* canvas) {
     canvas->drawRRect(fRRect, fPaint);
 }
 
@@ -719,7 +724,7 @@
     fInfo.push(SkObjectParser::PaintToString(paint));
 }
 
-void SkDrawDRRectCommand::execute(SkCanvas* canvas) const {
+void SkDrawDRRectCommand::execute(SkCanvas* canvas) {
     canvas->drawDRRect(fOuter, fInner, fPaint);
 }
 
@@ -749,7 +754,7 @@
     }
 }
 
-void SkDrawSpriteCommand::execute(SkCanvas* canvas) const {
+void SkDrawSpriteCommand::execute(SkCanvas* canvas) {
     canvas->drawSprite(fBitmap, fLeft, fTop, fPaintPtr);
 }
 
@@ -774,7 +779,7 @@
     fInfo.push(SkObjectParser::PaintToString(paint));
 }
 
-void SkDrawTextCommand::execute(SkCanvas* canvas) const {
+void SkDrawTextCommand::execute(SkCanvas* canvas) {
     canvas->drawText(fText, fByteLength, fX, fY, fPaint);
 }
 
@@ -801,7 +806,7 @@
     fInfo.push(SkObjectParser::PaintToString(paint));
 }
 
-void SkDrawTextOnPathCommand::execute(SkCanvas* canvas) const {
+void SkDrawTextOnPathCommand::execute(SkCanvas* canvas) {
     canvas->drawTextOnPath(fText, fByteLength, fPath,
                            fMatrix.isIdentity() ? NULL : &fMatrix,
                            fPaint);
@@ -862,7 +867,7 @@
     delete [] fIndices;
 }
 
-void SkDrawVerticesCommand::execute(SkCanvas* canvas) const {
+void SkDrawVerticesCommand::execute(SkCanvas* canvas) {
     canvas->drawVertices(fVmode, fVertexCount, fVertices,
                          fTexs, fColors, fXfermode, fIndices,
                          fIndexCount, fPaint);
@@ -873,7 +878,7 @@
     fInfo.push(SkObjectParser::CustomTextToString("No Parameters"));
 }
 
-void SkRestoreCommand::execute(SkCanvas* canvas) const {
+void SkRestoreCommand::execute(SkCanvas* canvas) {
     canvas->restore();
 }
 
@@ -888,7 +893,7 @@
     fInfo.push(SkObjectParser::ScalarToString(degrees, "SkScalar degrees: "));
 }
 
-void SkRotateCommand::execute(SkCanvas* canvas) const {
+void SkRotateCommand::execute(SkCanvas* canvas) {
     canvas->rotate(fDegrees);
 }
 
@@ -896,7 +901,7 @@
     : INHERITED(SAVE) {
 }
 
-void SkSaveCommand::execute(SkCanvas* canvas) const {
+void SkSaveCommand::execute(SkCanvas* canvas) {
     canvas->save();
 }
 
@@ -930,13 +935,13 @@
     fInfo.push(SkObjectParser::SaveFlagsToString(flags));
 }
 
-void SkSaveLayerCommand::execute(SkCanvas* canvas) const {
+void SkSaveLayerCommand::execute(SkCanvas* canvas) {
     canvas->saveLayer(fBounds.isEmpty() ? NULL : &fBounds,
                       fPaintPtr,
                       fFlags);
 }
 
-void SkSaveLayerCommand::vizExecute(SkCanvas* canvas) const {
+void SkSaveLayerCommand::vizExecute(SkCanvas* canvas) {
     canvas->save();
 }
 
@@ -953,7 +958,7 @@
     fInfo.push(SkObjectParser::ScalarToString(sy, "SkScalar sy: "));
 }
 
-void SkScaleCommand::execute(SkCanvas* canvas) const {
+void SkScaleCommand::execute(SkCanvas* canvas) {
     canvas->scale(fSx, fSy);
 }
 
@@ -969,7 +974,7 @@
     fUserMatrix = userMatrix;
 }
 
-void SkSetMatrixCommand::execute(SkCanvas* canvas) const {
+void SkSetMatrixCommand::execute(SkCanvas* canvas) {
     SkMatrix temp = SkMatrix::Concat(fUserMatrix, fMatrix);
     canvas->setMatrix(temp);
 }
@@ -983,7 +988,7 @@
     fInfo.push(SkObjectParser::ScalarToString(sy, "SkScalar sy: "));
 }
 
-void SkSkewCommand::execute(SkCanvas* canvas) const {
+void SkSkewCommand::execute(SkCanvas* canvas) {
     canvas->skew(fSx, fSy);
 }
 
@@ -996,7 +1001,7 @@
     fInfo.push(SkObjectParser::ScalarToString(dy, "SkScalar dy: "));
 }
 
-void SkTranslateCommand::execute(SkCanvas* canvas) const {
+void SkTranslateCommand::execute(SkCanvas* canvas) {
     canvas->translate(fDx, fDy);
 }
 
@@ -1006,11 +1011,11 @@
     fInfo.push(SkObjectParser::RectToString(cullRect));
 }
 
-void SkPushCullCommand::execute(SkCanvas* canvas) const {
+void SkPushCullCommand::execute(SkCanvas* canvas) {
     canvas->pushCull(fCullRect);
 }
 
-void SkPushCullCommand::vizExecute(SkCanvas* canvas) const {
+void SkPushCullCommand::vizExecute(SkCanvas* canvas) {
     canvas->pushCull(fCullRect);
 
     SkPaint p;
@@ -1021,6 +1026,6 @@
 
 SkPopCullCommand::SkPopCullCommand() : INHERITED(POP_CULL) { }
 
-void SkPopCullCommand::execute(SkCanvas* canvas) const {
+void SkPopCullCommand::execute(SkCanvas* canvas) {
     canvas->popCull();
 }
diff --git a/src/utils/debugger/SkDrawCommand.h b/src/utils/debugger/SkDrawCommand.h
index cae0e14..1d3d373 100644
--- a/src/utils/debugger/SkDrawCommand.h
+++ b/src/utils/debugger/SkDrawCommand.h
@@ -15,16 +15,18 @@
 
 class SK_API SkDrawCommand {
 public:
+    /* TODO(chudy): Remove subclasses. */
     SkDrawCommand(DrawType drawType);
+    SkDrawCommand();
 
     virtual ~SkDrawCommand();
 
-    virtual SkString toString() const;
+    virtual SkString toString();
 
     void setOffset(size_t offset) { fOffset = offset; }
-    size_t offset() const { return fOffset; }
+    virtual size_t offset() { return fOffset; }
 
-    virtual const char* toCString() const {
+    virtual const char* toCString() {
         return GetCommandString(fDrawType);
     }
 
@@ -36,15 +38,15 @@
         fVisible = toggle;
     }
 
-    const SkTDArray<SkString*>* Info() const { return &fInfo; }
-    virtual void execute(SkCanvas*) const = 0;
-    virtual void vizExecute(SkCanvas*) const {}
+    SkTDArray<SkString*>* Info() {return &fInfo; };
+    virtual void execute(SkCanvas* canvas) = 0;
+    virtual void vizExecute(SkCanvas* canvas) { };
 
-    virtual void setUserMatrix(const SkMatrix&) {}
+    virtual void setUserMatrix(const SkMatrix& userMtx) { };
 
     /** Does nothing by default, but used by save() and restore()-type
         subclasses to track unresolved save() calls. */
-    virtual void trackSaveState(int* state) {}
+    virtual void trackSaveState(int* state) { };
 
     // The next "active" system is only used by save, saveLayer, restore,
     // pushCull and popCull. It is used in two ways:
@@ -68,7 +70,7 @@
     virtual void setActive(bool active) {}
     virtual bool active() const { return false; }
 
-    DrawType getType() const { return fDrawType; }
+    DrawType getType() { return fDrawType; };
 
     virtual bool render(SkCanvas* canvas) const { return false; }
 
@@ -86,7 +88,7 @@
 class SkRestoreCommand : public SkDrawCommand {
 public:
     SkRestoreCommand();
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual void trackSaveState(int* state) SK_OVERRIDE;
     virtual Action action() const SK_OVERRIDE { return kPopLayer_Action; }
 
@@ -97,7 +99,7 @@
 class SkClearCommand : public SkDrawCommand {
 public:
     SkClearCommand(SkColor color);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
 private:
     SkColor fColor;
 
@@ -107,7 +109,7 @@
 class SkClipPathCommand : public SkDrawCommand {
 public:
     SkClipPathCommand(const SkPath& path, SkRegion::Op op, bool doAA);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
 private:
     SkPath       fPath;
@@ -120,7 +122,7 @@
 class SkClipRegionCommand : public SkDrawCommand {
 public:
     SkClipRegionCommand(const SkRegion& region, SkRegion::Op op);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
 private:
     SkRegion     fRegion;
     SkRegion::Op fOp;
@@ -131,7 +133,7 @@
 class SkClipRectCommand : public SkDrawCommand {
 public:
     SkClipRectCommand(const SkRect& rect, SkRegion::Op op, bool doAA);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
 
     const SkRect& rect() const { return fRect; }
     SkRegion::Op op() const { return fOp; }
@@ -148,7 +150,7 @@
 class SkClipRRectCommand : public SkDrawCommand {
 public:
     SkClipRRectCommand(const SkRRect& rrect, SkRegion::Op op, bool doAA);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
 
     const SkRRect& rrect() const { return fRRect; }
@@ -166,7 +168,7 @@
 class SkConcatCommand : public SkDrawCommand {
 public:
     SkConcatCommand(const SkMatrix& matrix);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
 private:
     SkMatrix fMatrix;
 
@@ -177,7 +179,7 @@
 public:
     SkDrawBitmapCommand(const SkBitmap& bitmap, SkScalar left, SkScalar top,
                         const SkPaint* paint);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
 private:
     SkBitmap fBitmap;
@@ -193,7 +195,7 @@
 public:
     SkDrawBitmapMatrixCommand(const SkBitmap& bitmap, const SkMatrix& matrix,
                               const SkPaint* paint);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
 private:
     SkBitmap fBitmap;
@@ -208,7 +210,7 @@
 public:
     SkDrawBitmapNineCommand(const SkBitmap& bitmap, const SkIRect& center,
                             const SkRect& dst, const SkPaint* paint);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
 private:
     SkBitmap fBitmap;
@@ -225,7 +227,7 @@
     SkDrawBitmapRectCommand(const SkBitmap& bitmap, const SkRect* src,
                             const SkRect& dst, const SkPaint* paint,
                             SkCanvas::DrawBitmapRectFlags flags);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
 
     const SkBitmap& bitmap() const { return fBitmap; }
@@ -263,7 +265,7 @@
 public:
     SkDrawDataCommand(const void* data, size_t length);
     virtual ~SkDrawDataCommand() { delete [] fData; }
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
 private:
     char*  fData;
     size_t fLength;
@@ -274,7 +276,7 @@
 class SkBeginCommentGroupCommand : public SkDrawCommand {
 public:
     SkBeginCommentGroupCommand(const char* description);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE {
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE {
         canvas->beginCommentGroup(fDescription.c_str());
     };
 private:
@@ -286,7 +288,7 @@
 class SkCommentCommand : public SkDrawCommand {
 public:
     SkCommentCommand(const char* kywd, const char* value);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE {
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE {
         canvas->addComment(fKywd.c_str(), fValue.c_str());
     };
 private:
@@ -299,7 +301,7 @@
 class SkEndCommentGroupCommand : public SkDrawCommand {
 public:
     SkEndCommentGroupCommand();
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE {
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE {
         canvas->endCommentGroup();
     };
 private:
@@ -309,7 +311,7 @@
 class SkDrawOvalCommand : public SkDrawCommand {
 public:
     SkDrawOvalCommand(const SkRect& oval, const SkPaint& paint);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
 private:
     SkRect  fOval;
@@ -321,7 +323,7 @@
 class SkDrawPaintCommand : public SkDrawCommand {
 public:
     SkDrawPaintCommand(const SkPaint& paint);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
 private:
     SkPaint fPaint;
@@ -332,7 +334,7 @@
 class SkDrawPathCommand : public SkDrawCommand {
 public:
     SkDrawPathCommand(const SkPath& path, const SkPaint& paint);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
 
 private:
@@ -345,7 +347,7 @@
 class SkDrawPictureCommand : public SkDrawCommand {
 public:
     SkDrawPictureCommand(const SkPicture* picture, const SkMatrix* matrix, const SkPaint* paint);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
 
 private:
@@ -363,7 +365,7 @@
     SkDrawPointsCommand(SkCanvas::PointMode mode, size_t count, const SkPoint pts[],
                         const SkPaint& paint);
     virtual ~SkDrawPointsCommand() { delete [] fPts; }
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
 private:
     SkCanvas::PointMode fMode;
@@ -379,7 +381,7 @@
     SkDrawTextCommand(const void* text, size_t byteLength, SkScalar x, SkScalar y,
                       const SkPaint& paint);
     virtual ~SkDrawTextCommand() { delete [] fText; }
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
 private:
     char*    fText;
     size_t   fByteLength;
@@ -395,7 +397,7 @@
     SkDrawPosTextCommand(const void* text, size_t byteLength, const SkPoint pos[],
                          const SkPaint& paint);
     virtual ~SkDrawPosTextCommand() { delete [] fPos; delete [] fText; }
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
 private:
     char*    fText;
     size_t   fByteLength;
@@ -410,7 +412,7 @@
     SkDrawTextOnPathCommand(const void* text, size_t byteLength, const SkPath& path,
                             const SkMatrix* matrix, const SkPaint& paint);
     virtual ~SkDrawTextOnPathCommand() { delete [] fText; }
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
 private:
     char*    fText;
     size_t   fByteLength;
@@ -426,7 +428,7 @@
     SkDrawPosTextHCommand(const void* text, size_t byteLength, const SkScalar xpos[],
                           SkScalar constY, const SkPaint& paint);
     virtual ~SkDrawPosTextHCommand() { delete [] fXpos; delete [] fText; }
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
 private:
     SkScalar* fXpos;
     char*     fText;
@@ -441,7 +443,7 @@
 public:
     SkDrawTextBlobCommand(const SkTextBlob* blob, SkScalar x, SkScalar y, const SkPaint& paint);
 
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
 
 private:
@@ -456,7 +458,7 @@
 class SkDrawRectCommand : public SkDrawCommand {
 public:
     SkDrawRectCommand(const SkRect& rect, const SkPaint& paint);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
 
     const SkRect& rect() const   { return fRect; }
     const SkPaint& paint() const { return fPaint; }
@@ -470,7 +472,7 @@
 class SkDrawRRectCommand : public SkDrawCommand {
 public:
     SkDrawRRectCommand(const SkRRect& rrect, const SkPaint& paint);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
 private:
     SkRRect fRRect;
@@ -483,7 +485,7 @@
 public:
     SkDrawDRRectCommand(const SkRRect& outer, const SkRRect& inner,
                         const SkPaint& paint);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
 private:
     SkRRect fOuter;
@@ -496,7 +498,7 @@
 class SkDrawSpriteCommand : public SkDrawCommand {
 public:
     SkDrawSpriteCommand(const SkBitmap& bitmap, int left, int top, const SkPaint* paint);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual bool render(SkCanvas* canvas) const SK_OVERRIDE;
 private:
     SkBitmap fBitmap;
@@ -516,7 +518,7 @@
                           const uint16_t indices[], int indexCount,
                           const SkPaint& paint);
     virtual ~SkDrawVerticesCommand();
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
 private:
     SkCanvas::VertexMode fVmode;
     int         fVertexCount;
@@ -534,7 +536,7 @@
 class SkRotateCommand : public SkDrawCommand {
 public:
     SkRotateCommand(SkScalar degrees);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
 private:
     SkScalar fDegrees;
 
@@ -544,7 +546,7 @@
 class SkSaveCommand : public SkDrawCommand {
 public:
     SkSaveCommand();
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual void trackSaveState(int* state) SK_OVERRIDE;
     virtual Action action() const SK_OVERRIDE { return kPushLayer_Action; }
 private:
@@ -555,8 +557,8 @@
 public:
     SkSaveLayerCommand(const SkRect* bounds, const SkPaint* paint,
                        SkCanvas::SaveFlags flags);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
-    virtual void vizExecute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
+    virtual void vizExecute(SkCanvas* canvas) SK_OVERRIDE;
     virtual void trackSaveState(int* state) SK_OVERRIDE;
     virtual Action action() const SK_OVERRIDE{ return kPushLayer_Action; }
     virtual void setActive(bool active) SK_OVERRIDE { fActive = active; }
@@ -578,7 +580,7 @@
 class SkScaleCommand : public SkDrawCommand {
 public:
     SkScaleCommand(SkScalar sx, SkScalar sy);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
 
     SkScalar x() const { return fSx; }
     SkScalar y() const { return fSy; }
@@ -594,7 +596,7 @@
 public:
     SkSetMatrixCommand(const SkMatrix& matrix);
     virtual void setUserMatrix(const SkMatrix&) SK_OVERRIDE;
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
 private:
     SkMatrix fUserMatrix;
     SkMatrix fMatrix;
@@ -605,7 +607,7 @@
 class SkSkewCommand : public SkDrawCommand {
 public:
     SkSkewCommand(SkScalar sx, SkScalar sy);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
 private:
     SkScalar fSx;
     SkScalar fSy;
@@ -616,7 +618,7 @@
 class SkTranslateCommand : public SkDrawCommand {
 public:
     SkTranslateCommand(SkScalar dx, SkScalar dy);
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
 
     SkScalar x() const { return fDx; }
     SkScalar y() const { return fDy; }
@@ -631,8 +633,8 @@
 class SkPushCullCommand : public SkDrawCommand {
 public:
     SkPushCullCommand(const SkRect&);
-    virtual void execute(SkCanvas*) const SK_OVERRIDE;
-    virtual void vizExecute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas*) SK_OVERRIDE;
+    virtual void vizExecute(SkCanvas* canvas) SK_OVERRIDE;
     virtual Action action() const { return kPushCull_Action; }
     virtual void setActive(bool active) { fActive = active; }
     virtual bool active() const { return fActive; }
@@ -646,7 +648,7 @@
 class SkPopCullCommand : public SkDrawCommand {
 public:
     SkPopCullCommand();
-    virtual void execute(SkCanvas* canvas) const SK_OVERRIDE;
+    virtual void execute(SkCanvas* canvas) SK_OVERRIDE;
     virtual Action action() const { return kPopCull_Action; }
 private:
     typedef SkDrawCommand INHERITED;