Implement difference clip rects with window rectangles

src/gpu/GrClip.cpp

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrClip.h"
 
+#include "GrAppliedClip.h"
 #include "GrDrawContext.h"
 
 void GrNoClip::getConservativeBounds(int width, int height, SkIRect* devResult,
                                      bool* isIntersectionOfRects) const {
     devResult->setXYWH(0, 0, width, height);
     if (isIntersectionOfRects) {
         *isIntersectionOfRects = true;
     }
 }
 
@@ skipping 32 matching lines @@
             out->addScissor(tightScissor);
         }
     }
 
     if (fHasStencilClip) {
         out->addStencilClip();
     }
 
     return true;
 }