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

include/gpu/GrContext.h

Index: include/gpu/GrContext.h
diff --git a/include/gpu/GrContext.h b/include/gpu/GrContext.h
index f9d06f097a679bc9f12826d185e2af00fc2b6194..daaf90687c4c2edeac836a4e27946a6dee322abc 100644
--- a/include/gpu/GrContext.h
+++ b/include/gpu/GrContext.h
@@ -441,8 +441,8 @@ private:
 
     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; }