remove all guards for changes to drawBitmapRect / drawImageRect

BUG=skia:

Review URL: https://codereview.chromium.org/1239193002
diff --git a/src/core/SkBitmapDevice.cpp b/src/core/SkBitmapDevice.cpp
index 388708d..9da43d8 100644
--- a/src/core/SkBitmapDevice.cpp
+++ b/src/core/SkBitmapDevice.cpp
@@ -237,7 +237,7 @@
 
 void SkBitmapDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap,
                                     const SkRect* src, const SkRect& dst,
-                                    const SkPaint& paint, SK_VIRTUAL_CONSTRAINT_TYPE) {
+                                    const SkPaint& paint, SkCanvas::SrcRectConstraint constraint) {
     SkMatrix    matrix;
     SkRect      bitmapBounds, tmpSrc, tmpDst;
     SkBitmap    tmpBitmap;
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp
index f55ca5e..2308151 100644
--- a/src/core/SkCanvas.cpp
+++ b/src/core/SkCanvas.cpp
@@ -1850,7 +1850,7 @@
     if (dst.isEmpty()) {
         return;
     }
-    this->onDrawImageRect(image, src, dst, paint SRC_RECT_CONSTRAINT_ARG(constraint));
+    this->onDrawImageRect(image, src, dst, paint, constraint);
 }
 
 void SkCanvas::drawImageRect(const SkImage* image, const SkIRect& isrc, const SkRect& dst,
@@ -1877,22 +1877,12 @@
     this->onDrawBitmap(bitmap, dx, dy, paint);
 }
 
-#ifdef SK_SUPPORT_LEGACY_DRAWBITMAPRECTFLAGS_TYPE
-void SkCanvas::drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst,
-                                    const SkPaint* paint, DrawBitmapRectFlags flags) {
-    if (bitmap.drawsNothing() || dst.isEmpty()) {
-        return;
-    }
-    this->onDrawBitmapRect(bitmap, src, dst, paint, (SK_VIRTUAL_CONSTRAINT_TYPE)flags);
-}
-#endif
-
 void SkCanvas::drawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst,
                               const SkPaint* paint, SrcRectConstraint constraint) {
     if (bitmap.drawsNothing() || dst.isEmpty()) {
         return;
     }
-    this->onDrawBitmapRect(bitmap, src, dst, paint, (SK_VIRTUAL_CONSTRAINT_TYPE)constraint);
+    this->onDrawBitmapRect(bitmap, src, dst, paint, constraint);
 }
 
 void SkCanvas::drawBitmapRect(const SkBitmap& bitmap, const SkIRect& isrc, const SkRect& dst,
@@ -2145,9 +2135,8 @@
 }
 
 void SkCanvas::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
-                               const SkPaint* paint SRC_RECT_CONSTRAINT_PARAM(constraint)) {
+                               const SkPaint* paint, SrcRectConstraint constraint) {
     TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawImageRect()");
-    SRC_RECT_CONSTRAINT_LOCAL_DEFAULT(constraint)
     SkRect storage;
     const SkRect* bounds = &dst;
     if (NULL == paint || paint->canComputeFastBounds()) {
@@ -2224,18 +2213,17 @@
                                           bitmap.isOpaque())
 
     while (iter.next()) {
-        iter.fDevice->drawBitmapRect(iter, bitmap, src, dst, looper.paint(),
-                                     (SK_VIRTUAL_CONSTRAINT_TYPE)constraint);
+        iter.fDevice->drawBitmapRect(iter, bitmap, src, dst, looper.paint(), constraint);
     }
 
     LOOPER_END
 }
 
 void SkCanvas::onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst,
-                                const SkPaint* paint, SK_VIRTUAL_CONSTRAINT_TYPE constraint) {
+                                const SkPaint* paint, SrcRectConstraint constraint) {
     TRACE_EVENT0("disabled-by-default-skia", "SkCanvas::drawBitmapRectToRect()");
     SkDEBUGCODE(bitmap.validate();)
-    this->internalDrawBitmapRect(bitmap, src, dst, paint, (SrcRectConstraint)constraint);
+    this->internalDrawBitmapRect(bitmap, src, dst, paint, constraint);
 }
 
 void SkCanvas::onDrawImageNine(const SkImage* image, const SkIRect& center, const SkRect& dst,
diff --git a/src/core/SkDevice.cpp b/src/core/SkDevice.cpp
index 6922e0d..dd55aad 100644
--- a/src/core/SkDevice.cpp
+++ b/src/core/SkDevice.cpp
@@ -159,7 +159,7 @@
     // Default impl : turns everything into raster bitmap
     SkBitmap bm;
     if (as_IB(image)->getROPixels(&bm)) {
-        this->drawBitmapRect(draw, bm, src, dst, paint, (SK_VIRTUAL_CONSTRAINT_TYPE)constraint);
+        this->drawBitmapRect(draw, bm, src, dst, paint, constraint);
     }
 }
 
@@ -179,8 +179,7 @@
     
     SkRect srcR, dstR;
     while (iter.next(&srcR, &dstR)) {
-        this->drawBitmapRect(draw, bitmap, &srcR, dstR, paint,
-                             (SK_VIRTUAL_CONSTRAINT_TYPE)SkCanvas::kStrict_SrcRectConstraint);
+        this->drawBitmapRect(draw, bitmap, &srcR, dstR, paint, SkCanvas::kStrict_SrcRectConstraint);
     }
 }
 
diff --git a/src/core/SkPictureRecord.cpp b/src/core/SkPictureRecord.cpp
index 60996db..0383dda 100644
--- a/src/core/SkPictureRecord.cpp
+++ b/src/core/SkPictureRecord.cpp
@@ -552,8 +552,7 @@
 }
 
 void SkPictureRecord::onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst,
-                                       const SkPaint* paint,
-                                       SK_VIRTUAL_CONSTRAINT_TYPE constraint) {
+                                       const SkPaint* paint, SrcRectConstraint constraint) {
     // id + paint index + bitmap index + bool for 'src' + flags
     size_t size = 5 * kUInt32Size;
     if (src) {
@@ -585,8 +584,7 @@
 }
 
 void SkPictureRecord::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
-                                      const SkPaint* paint SRC_RECT_CONSTRAINT_PARAM(constraint)) {
-    SRC_RECT_CONSTRAINT_LOCAL_DEFAULT(constraint)
+                                      const SkPaint* paint, SrcRectConstraint constraint) {
     // id + paint_index + image_index + bool_for_src + constraint
     size_t size = 5 * kUInt32Size;
     if (src) {
diff --git a/src/core/SkPictureRecord.h b/src/core/SkPictureRecord.h
index cb6f324..18458c6 100644
--- a/src/core/SkPictureRecord.h
+++ b/src/core/SkPictureRecord.h
@@ -182,10 +182,10 @@
     void onDrawPath(const SkPath&, const SkPaint&) override;
     void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint*) override;
     void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, const SkPaint*,
-                          SK_VIRTUAL_CONSTRAINT_TYPE) override;
+                          SrcRectConstraint) override;
     void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override;
     void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst,
-                         const SkPaint* SRC_RECT_CONSTRAINT_PARAM(constraint)) override;
+                         const SkPaint*, SrcRectConstraint) override;
     void onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst,
                          const SkPaint*) override;
     void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst,
diff --git a/src/core/SkRecorder.cpp b/src/core/SkRecorder.cpp
index 41164bd..c00a353 100644
--- a/src/core/SkRecorder.cpp
+++ b/src/core/SkRecorder.cpp
@@ -186,9 +186,7 @@
                                   const SkRect* src,
                                   const SkRect& dst,
                                   const SkPaint* paint,
-                                  SK_VIRTUAL_CONSTRAINT_TYPE legacyConstraint) {
-    SrcRectConstraint constraint = (SrcRectConstraint)legacyConstraint;
-
+                                  SrcRectConstraint constraint) {
 #ifdef WRAP_BITMAP_AS_IMAGE
     // TODO: need a way to support the flags for images...
     SkAutoTUnref<SkImage> image(SkImage::NewFromBitmap(bitmap));
@@ -225,12 +223,8 @@
     APPEND(DrawImage, this->copy(paint), image, left, top);
 }
 
-void SkRecorder::onDrawImageRect(const SkImage* image, const SkRect* src,
-                                 const SkRect& dst,
-                                 const SkPaint* paint SRC_RECT_CONSTRAINT_PARAM(constraint)) {
-#ifdef SK_SUPPORT_LEGACY_ONDRAWIMAGERECT
-    SrcRectConstraint constraint = kStrict_SrcRectConstraint;
-#endif
+void SkRecorder::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
+                                 const SkPaint* paint, SrcRectConstraint constraint) {
     APPEND(DrawImageRect, this->copy(paint), image, this->copy(src), dst, constraint);
 }
 
diff --git a/src/core/SkRecorder.h b/src/core/SkRecorder.h
index 404d54c..57b4568 100644
--- a/src/core/SkRecorder.h
+++ b/src/core/SkRecorder.h
@@ -98,10 +98,10 @@
     void onDrawPath(const SkPath&, const SkPaint&) override;
     void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint*) override;
     void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, const SkPaint*,
-                          SK_VIRTUAL_CONSTRAINT_TYPE) override;
+                          SrcRectConstraint) override;
     void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override;
     void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst,
-                         const SkPaint* SRC_RECT_CONSTRAINT_PARAM(constraint)) override;
+                         const SkPaint*, SrcRectConstraint) override;
     void onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst,
                          const SkPaint*) override;
     void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst,