flag to make kClipToLayer_SaveFlag the default behavior

gm/canvasstate.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkCanvas.h"
 #include "SkPaint.h"
@@ skipping 114 matching lines @@
 
     virtual SkISize onISize() SK_OVERRIDE {
         return SkISize::Make(WIDTH, HEIGHT);
     }
 
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
 
         // clear the canvas to red
         canvas->drawColor(SK_ColorRED);
 
+#ifdef SK_SUPPORT_LEGACY_CLIPTOLAYERFLAG
         // both rects should appear
         drawTestPattern(canvas, 255, SkCanvas::kARGB_NoClipLayer_SaveFlag);
 
         canvas->translate(0, 2*(fRect.height() + 10));
 
         // only the top rect should appear
         drawTestPattern(canvas, 255, SkCanvas::kARGB_ClipLayer_SaveFlag);
 
         canvas->translate(0, 2*(fRect.height() + 10));
 
         // only the bottom rect should appear
         drawTestPattern(canvas, 0, SkCanvas::kARGB_NoClipLayer_SaveFlag);
+#endif
     }
 
     virtual uint32_t onGetFlags() const SK_OVERRIDE { return kSkipGPU_Flag; }
 
 private:
     // draw a rect within the layer's bounds and again outside the layer's bounds
     void drawTestPattern(SkCanvas* canvas, U8CPU layerAlpha, SkCanvas::SaveFlags flags) {
         canvas->saveLayerAlpha(&fRect, layerAlpha, flags);
         canvas->drawRect(fRect, fBluePaint);
         canvas->translate(0, fRect.height() + 10);
@@ skipping 12 matching lines @@
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return SkNEW(CanvasStateGM); )
 DEF_GM( return SkNEW(CanvasLayerStateGM); )
 
 } // end namespace