Add debug option to clip each GrBatch to its device bounds

include/gpu/GrContext.h

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrContext_DEFINED
 #define GrContext_DEFINED
 
@@ skipping 388 matching lines @@
 
     // TODO: have the CMM use drawContexts and rm this friending
     friend class GrClipMaskManager; // the CMM is friended just so it can call 'drawingManager'
     friend class GrDrawingManager;  // for access to drawingManager for ProgramUnitTest
     GrDrawingManager* drawingManager() { return fDrawingManager; }
 
     GrContext(); // init must be called after the constructor.
     bool init(GrBackend, GrBackendContext, const GrContextOptions& options);
 
     void initMockContext();
-    void initCommon();
+    void initCommon(const GrContextOptions&);
 
     /**
      * These functions create premul <-> unpremul effects if it is possible to generate a pair
      * of effects that make a readToUPM->writeToPM->readToUPM cycle invariant. Otherwise, they
      * return NULL.
      */
     const GrFragmentProcessor* createPMToUPMEffect(GrTexture*, bool swapRAndB,
                                                    const SkMatrix&) const;
     const GrFragmentProcessor* createUPMToPMEffect(GrTexture*, bool swapRAndB,
                                                    const SkMatrix&) const;
@@ skipping 14 matching lines @@
     /**
      * A callback similar to the above for use by the TextBlobCache
      * TODO move textblob draw calls below context so we can use the call above.
      */
     static void TextBlobCacheOverBudgetCB(void* data);
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif