Add dev bounds to bmp txt context, use bounds to ignore clips

src/gpu/GrClipMaskManager.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrClipMaskManager_DEFINED
 #define GrClipMaskManager_DEFINED
 
@@ skipping 29 matching lines @@
 class GrClipMaskManager : public SkNoncopyable {
 public:
     GrClipMaskManager()
         : fGpu(NULL)
         , fCurrClipMaskType(kNone_ClipMaskType) {
     }
 
     /**
      * Creates a clip mask if necessary as a stencil buffer or alpha texture
      * and sets the GrGpu's scissor and stencil state. If the return is false
-     * then the draw can be skipped.
+     * then the draw can be skipped. The AutoRestoreEffects is initialized by
+     * the manager when it must install additional effects to implement the
+     * clip. devBounds is optional but can help optimize clipping.
      */
-    bool setupClipping(const GrClipData* clipDataIn, GrDrawState::AutoRestoreEffects*);
+    bool setupClipping(const GrClipData* clipDataIn, GrDrawState::AutoRestoreEffects*,
+                       const SkRect* devBounds);
 
     void releaseResources();
 
     bool isClipInStencil() const {
         return kStencil_ClipMaskType == fCurrClipMaskType;
     }
     bool isClipInAlpha() const {
         return kAlpha_ClipMaskType == fCurrClipMaskType;
     }
 
@@ skipping 104 matching lines @@
      * clipping.
      */
     void adjustStencilParams(GrStencilSettings* settings,
                              StencilClipMode mode,
                              int stencilBitCnt);
 
     typedef SkNoncopyable INHERITED;
 };
 
 #endif // GrClipMaskManager_DEFINED