Reduce internal explicit SaveFlags usage.

Most of these are either redundant/defaults or (hopefully)
unnecessarily specific.

R=reed@google.com, robertphillips@google.com

Author: fmalita@chromium.org

Review URL: https://codereview.chromium.org/241453003

git-svn-id: http://skia.googlecode.com/svn/trunk@14253 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp
index 569e9e5..c57ae9a 100644
--- a/src/core/SkCanvas.cpp
+++ b/src/core/SkCanvas.cpp
@@ -1631,12 +1631,13 @@
                     SkIRect deviceIBounds;
                     this->getDevice()->getGlobalBounds(&deviceIBounds);
                     deviceBounds = SkRect::Make(deviceIBounds);
-                    this->SkCanvas::save(SkCanvas::kMatrix_SaveFlag);
+
                     // set the clip in device space
+                    SkMatrix savedMatrix = this->getTotalMatrix();
                     this->SkCanvas::setMatrix(SkMatrix::I());
                     this->SkCanvas::onClipRect(deviceBounds, SkRegion::kReplace_Op,
                                                kHard_ClipEdgeStyle);
-                    this->SkCanvas::restore(); //pop the matrix, but keep the clip
+                    this->setMatrix(savedMatrix);
                     break;
             }
             default:
diff --git a/src/core/SkPictureRecord.cpp b/src/core/SkPictureRecord.cpp
index 0a55e73..bea3442 100644
--- a/src/core/SkPictureRecord.cpp
+++ b/src/core/SkPictureRecord.cpp
@@ -770,7 +770,7 @@
     // we have to call this *after* our constructor, to ensure that it gets
     // recorded. This is balanced by restoreToCount() call from endRecording,
     // which in-turn calls our overridden restore(), so those get recorded too.
-    fInitialSaveCount = this->save(kMatrixClip_SaveFlag);
+    fInitialSaveCount = this->save();
 }
 
 void SkPictureRecord::endRecording() {
diff --git a/src/core/SkPictureStateTree.cpp b/src/core/SkPictureStateTree.cpp
index ca3032d..891d04c 100644
--- a/src/core/SkPictureStateTree.cpp
+++ b/src/core/SkPictureStateTree.cpp
@@ -124,7 +124,7 @@
     Node* targetNode = draw->fNode;
 
     if (fSave) {
-        fCanvas->save(SkCanvas::kClip_SaveFlag);
+        fCanvas->save();
         fSave = false;
     }
 
@@ -162,6 +162,9 @@
                     fCanvas->restore();
                 }
                 if (targetNode != ancestor) {
+                    // FIXME: the save below depends on soon-to-be-deprecated
+                    // SaveFlags behavior: it relies on matrix changes persisting
+                    // after restore.
                     fCanvas->save(SkCanvas::kClip_SaveFlag);
                 }
             }