Make stencil and cover path rendering have more reasonable bounds.

include/gpu/GrDrawContext.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrDrawContext_DEFINED
 #define GrDrawContext_DEFINED
 
@@ skipping 52 matching lines @@
                       SkDrawFilter*, const SkIRect& clipBounds);
 
     // drawPathsFromRange is thanks to GrStencilAndCoverTextContext
     // TODO: remove once path batches can be created external to GrDrawTarget.
     void drawPathsFromRange(const GrPipelineBuilder*,
                             const SkMatrix& viewMatrix,
                             const SkMatrix& localMatrix,
                             GrColor color,
                             GrPathRange* range,
                             GrPathRangeDraw* draw,
-                            int /*GrPathRendering::FillType*/ fill);
+                            int /*GrPathRendering::FillType*/ fill,
+                            const SkRect& bounds);
 
     /**
      * Provides a perfomance hint that the render target's contents are allowed
      * to become undefined.
      */
     void discard();
 
     /**
      * Clear the entire or rect of the render target, ignoring any clips.
      * @param rect  the rect to clear or the whole thing if rect is NULL.
@@ skipping 214 matching lines @@
 
     // In MDB-mode the drawTarget can be closed by some other drawContext that has picked
     // it up. For this reason, the drawTarget should only ever be accessed via 'getDrawTarget'.
     GrDrawTarget*     fDrawTarget;
     GrTextContext*    fTextContext; // lazily gotten from GrContext::DrawingManager
 
     SkSurfaceProps    fSurfaceProps;
 };
 
 #endif