cc: Add checker-imaging support to TileManager.

cc/layers/picture_layer_impl.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_LAYERS_PICTURE_LAYER_IMPL_H_
 #define CC_LAYERS_PICTURE_LAYER_IMPL_H_
 
 #include <stddef.h>
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "cc/base/cc_export.h"
 #include "cc/layers/layer_impl.h"
+#include "cc/playback/image_id.h"
 #include "cc/tiles/picture_layer_tiling.h"
 #include "cc/tiles/picture_layer_tiling_set.h"
 #include "cc/tiles/tiling_set_eviction_queue.h"
 
 namespace cc {
 
 struct AppendQuadsData;
 class MicroBenchmarkImpl;
 class Tile;
 
@@ skipping 63 matching lines @@
   PictureLayerImpl* GetPendingOrActiveTwinLayer() const;
   bool IsOnActiveOrPendingTree() const;
 
   // Used for benchmarking
   RasterSource* GetRasterSource() const { return raster_source_.get(); }
 
   void set_is_directly_composited_image(bool is_directly_composited_image) {
     is_directly_composited_image_ = is_directly_composited_image;
   }
 
+  void InvalidateRegionForImages(
+      const std::unordered_set<ImageId>& images_to_invalidate);
+
  protected:
   PictureLayerImpl(LayerTreeImpl* tree_impl, int id, bool is_mask);
   PictureLayerTiling* AddTiling(float contents_scale);
   void RemoveAllTilings();
   void AddTilingsForRasterScale();
   void AddLowResolutionTilingIfNeeded();
   bool ShouldAdjustRasterScale() const;
   void RecalculateRasterScales();
   void CleanUpTilingsOnActiveLayer(
       const std::vector<PictureLayerTiling*>& used_tilings);
@@ skipping 49 matching lines @@
   // of comparing pointers, since objects pointed to are not guaranteed to
   // exist.
   std::vector<PictureLayerTiling*> last_append_quads_tilings_;
 
   DISALLOW_COPY_AND_ASSIGN(PictureLayerImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_PICTURE_LAYER_IMPL_H_