De-virtualize SkCanvas save/restore.

src/utils/debugger/SkDebugCanvas.h

Index: src/utils/debugger/SkDebugCanvas.h
diff --git a/src/utils/debugger/SkDebugCanvas.h b/src/utils/debugger/SkDebugCanvas.h
index 0bbb640a984fa12e85fb717696c82ca30996cf01..24824c964db44e7f1e1688b9f5e443795d7d37d3 100644
--- a/src/utils/debugger/SkDebugCanvas.h
+++ b/src/utils/debugger/SkDebugCanvas.h
@@ -206,14 +206,8 @@ public:
                               const uint16_t indices[], int indexCount,
                               const SkPaint&) SK_OVERRIDE;
 
-    virtual void restore() SK_OVERRIDE;
-
     virtual bool rotate(SkScalar degrees) SK_OVERRIDE;
 
-    virtual int save(SaveFlags) SK_OVERRIDE;
-
-    virtual int saveLayer(const SkRect* bounds, const SkPaint*, SaveFlags) SK_OVERRIDE;
-
     virtual bool scale(SkScalar sx, SkScalar sy) SK_OVERRIDE;
 
     virtual void setMatrix(const SkMatrix& matrix) SK_OVERRIDE;
@@ -248,6 +242,10 @@ public:
     }
 
 protected:
+    virtual void onSave(SaveFlags) SK_OVERRIDE;
+    virtual bool onSaveLayer(const SkRect*, const SkPaint*, SaveFlags) SK_OVERRIDE;
+    virtual void onRestore() SK_OVERRIDE;
+
     virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) SK_OVERRIDE;
     virtual void onPushCull(const SkRect& cullRect) SK_OVERRIDE;
     virtual void onPopCull() SK_OVERRIDE;