cc/blink: Veto checker-imaging for multipart image resources.

third_party/WebKit/Source/platform/graphics/Image.h

 /*
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 182 matching lines @@
 
   // Compute the image subset which gets mapped onto |dest|, when the whole
   // image is drawn into |tile|.  Assumes |tile| contains |dest|.  The tile rect
   // is in destination grid space while the return value is in image coordinate
   // space.
   static FloatRect ComputeSubsetForTile(const FloatRect& tile,
                                         const FloatRect& dest,
                                         const FloatSize& image_size);
 
  protected:
-  Image(ImageObserver* = 0);
+  Image(ImageObserver* = 0, bool is_multipart = false);
 
   void DrawTiledBackground(GraphicsContext&,
                            const FloatRect& dst_rect,
                            const FloatPoint& src_point,
                            const FloatSize& tile_size,
                            SkBlendMode,
                            const FloatSize& repeat_spacing);
   void DrawTiledBorder(GraphicsContext&,
                        const FloatRect& dst_rect,
                        const FloatRect& src_rect,
@@ skipping 15 matching lines @@
   RefPtr<SharedBuffer> encoded_image_data_;
   // TODO(Oilpan): consider having Image on the Oilpan heap and
   // turn this into a Member<>.
   //
   // The observer (an ImageResourceContent) is responsible for clearing
   // itself out when it switches to another Image.
   // When the ImageResourceContent is garbage collected while Image is still
   // alive, |image_observer_| is cleared by WeakPersistent mechanism.
   WeakPersistent<ImageObserver> image_observer_;
   PaintImage::Id stable_image_id_;
+  const bool is_multipart_;
 };
 
 #define DEFINE_IMAGE_TYPE_CASTS(typeName)                          \
   DEFINE_TYPE_CASTS(typeName, Image, image, image->Is##typeName(), \
                     image.Is##typeName())
 
 }  // namespace blink
 
 #endif