abstract name of clipping ops, to transtion to a more restricted set

samplecode/SampleApp.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SampleApp.h"
 
 #include "OverView.h"
@@ skipping 1331 matching lines @@
         fPipeStream.reset(new SkDynamicMemoryWStream);
         canvas = fPipeSerializer.beginWrite(SkRect::MakeWH(this->width(), this->height()),
                                             fPipeStream.get());
 //        canvas = fRecorder.beginRecording(9999, 9999, nullptr, 0);
     } else {
         canvas = this->INHERITED::beforeChildren(canvas);
     }
 
     if (fUseClip) {
         canvas->drawColor(0xFFFF88FF);
-        canvas->clipPath(fClipPath, SkRegion::kIntersect_Op, true);
+        canvas->clipPath(fClipPath, SkCanvas::kIntersect_Op, true);
     }
 
     // Install a flags filter proxy canvas if needed
     if (fLCDState != SkOSMenu::kMixedState ||
         fAAState != SkOSMenu::kMixedState ||
         fSubpixelState != SkOSMenu::kMixedState ||
         fHintingState > 0 ||
         fFilterQualityIndex > 0) {
         canvas = new FlagsFilterCanvas(canvas, fLCDState, fAAState, fSubpixelState, fHintingState,
                                        fFilterQualityIndex);
@@ skipping 945 matching lines @@
 #ifdef SK_BUILD_FOR_MAC
     setenv("ANDROID_ROOT", "/android/device/data", 0);
 #endif
     SkGraphics::Init();
     SkEvent::Init();
 }
 
 void application_term() {
     SkEvent::Term();
 }