skip call to clip::apply when clip is wide open

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 423 matching lines @@
     };
 
     SkTDArray<CleanUpData>                  fCleanUpData;
 
     const uint32_t                          fUniqueID;
 
     SkAutoTDelete<GrDrawingManager>         fDrawingManager;
 
     GrAuditTrail                            fAuditTrail;
 
-    // TODO: have the CMM use drawContexts and rm this friending
-    friend class GrClipMaskManager; // the CMM is friended just so it can call 'drawingManager'
+    // TODO: have the ClipStackClip use drawContexts and rm this friending
+    friend class GrClipStackClip; // this 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(const GrContextOptions&);
 
     /**
@@ skipping 41 matching lines @@
     SkAutoTUnref<const GrCaps>  fCaps;
     uint32_t                    fContextUniqueID;
 
     friend class GrContext;
     friend class SkImage;
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif