Inline noop willFoo/didFoo into SkCanvas.h.

src/core/SkCanvas.cpp

Index: src/core/SkCanvas.cpp
diff --git a/src/core/SkCanvas.cpp b/src/core/SkCanvas.cpp
index 6c0fc884e1a53472f3a3681df8537c69dc283c6a..57cf850fa0d6dfbccbcc1560158b7b3049ebbba6 100644
--- a/src/core/SkCanvas.cpp
+++ b/src/core/SkCanvas.cpp
@@ -830,10 +830,6 @@ int SkCanvas::internalSave(SaveFlags flags) {
     return saveCount;
 }
 
-void SkCanvas::willSave(SaveFlags) {
-    // Do nothing. Subclasses may do something.
-}
-
 int SkCanvas::save() {
     this->willSave(kMatrixClip_SaveFlag);
     return this->internalSave(kMatrixClip_SaveFlag);
@@ -897,12 +893,6 @@ bool SkCanvas::clipRectBounds(const SkRect* bounds, SaveFlags flags,
     return true;
 }
 
-SkCanvas::SaveLayerStrategy SkCanvas::willSaveLayer(const SkRect*, const SkPaint*, SaveFlags) {
-
-    // Do nothing. Subclasses may do something.
-    return kFullLayer_SaveLayerStrategy;
-}
-
 int SkCanvas::saveLayer(const SkRect* bounds, const SkPaint* paint) {
     SaveLayerStrategy strategy = this->willSaveLayer(bounds, paint, kARGB_ClipLayer_SaveFlag);
     return this->internalSaveLayer(bounds, paint, kARGB_ClipLayer_SaveFlag, false, strategy);
@@ -999,10 +989,6 @@ int SkCanvas::saveLayerAlpha(const SkRect* bounds, U8CPU alpha,
     }
 }
 
-void SkCanvas::willRestore() {
-    // Do nothing. Subclasses may do something.
-}
-
 void SkCanvas::restore() {
     // check for underflow
     if (fMCStack.count() > 1) {
@@ -1344,10 +1330,6 @@ void SkCanvas::skew(SkScalar sx, SkScalar sy) {
     this->concat(m);
 }
 
-void SkCanvas::didConcat(const SkMatrix&) {
-    // Do nothing. Subclasses may do something.
-}
-
 void SkCanvas::concat(const SkMatrix& matrix) {
     if (matrix.isIdentity()) {
         return;
@@ -1360,10 +1342,6 @@ void SkCanvas::concat(const SkMatrix& matrix) {
     this->didConcat(matrix);
 }
 
-void SkCanvas::didSetMatrix(const SkMatrix&) {
-    // Do nothing. Subclasses may do something.
-}
-
 void SkCanvas::setMatrix(const SkMatrix& matrix) {
     fDeviceCMDirty = true;
     fCachedLocalClipBoundsDirty = true;