cc: Use impl-side painting in LTH context lost tests.

cc/test/fake_picture_layer_impl.h

 // Copyright 2013 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_TEST_FAKE_PICTURE_LAYER_IMPL_H_
 #define CC_TEST_FAKE_PICTURE_LAYER_IMPL_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/layers/picture_layer_impl.h"
 
@@ skipping 92 matching lines @@
 
   void set_fixed_tile_size(const gfx::Size& size) { fixed_tile_size_ = size; }
 
   void CreateDefaultTilingsAndTiles();
   void SetAllTilesVisible();
   void SetAllTilesReady();
   void SetAllTilesReadyInTiling(PictureLayerTiling* tiling);
   void ResetAllTilesPriorities();
   PictureLayerTilingSet* GetTilings() { return tilings_.get(); }
 
+  size_t lost_output_surface_count() const {
+    return lost_output_surface_count_;
+  }
+  void reset_lost_output_surface_count() { lost_output_surface_count_ = 0; }
+
+  virtual void ReleaseResources() OVERRIDE;
+
  protected:
   FakePictureLayerImpl(
       LayerTreeImpl* tree_impl,
       int id,
       scoped_refptr<PicturePileImpl> pile);
   FakePictureLayerImpl(LayerTreeImpl* tree_impl,
                        int id,
                        scoped_refptr<PicturePileImpl> pile,
                        const gfx::Size& layer_bounds);
   FakePictureLayerImpl(LayerTreeImpl* tree_impl, int id);
 
  private:
   gfx::Size fixed_tile_size_;
 
   size_t append_quads_count_;
   size_t did_become_active_call_count_;
   bool has_valid_tile_priorities_;
   bool use_set_valid_tile_priorities_flag_;
+  size_t lost_output_surface_count_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_PICTURE_LAYER_IMPL_H_