Don't free non-tile resources on GPU rasterization toggle

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 <stddef.h>
 
 #include <memory>
@@ skipping 122 matching lines @@
 
   // Add the given tiling as a "used" tiling during AppendQuads. This ensures
   // that future calls to UpdateTiles don't delete the tiling.
   void MarkAllTilingsUsed() {
     last_append_quads_tilings_.clear();
     for (size_t i = 0; i < tilings_->num_tilings(); ++i)
       last_append_quads_tilings_.push_back(tilings_->tiling_at(i));
   }
 
   size_t release_resources_count() const { return release_resources_count_; }
-  void reset_release_resources_count() { release_resources_count_ = 0; }
+  size_t release_tile_resources_count() const {
+    return release_tile_resources_count_;
+  }
 
   void ReleaseResources() override;
+  void ReleaseTileResources() override;
 
   bool only_used_low_res_last_append_quads() const {
     return only_used_low_res_last_append_quads_;
   }
 
  protected:
   FakePictureLayerImpl(LayerTreeImpl* tree_impl,
                        int id,
                        scoped_refptr<RasterSource> raster_source,
                        bool is_mask);
   FakePictureLayerImpl(LayerTreeImpl* tree_impl,
                        int id,
                        scoped_refptr<RasterSource> raster_source,
                        bool is_mask,
                        const gfx::Size& layer_bounds);
   FakePictureLayerImpl(LayerTreeImpl* tree_impl, int id, bool is_mask);
 
  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 release_resources_count_;
+  size_t append_quads_count_ = 0;
+  size_t did_become_active_call_count_ = 0;
+  bool has_valid_tile_priorities_ = false;
+  bool use_set_valid_tile_priorities_flag_ = false;
+  size_t release_resources_count_ = 0;
+  size_t release_tile_resources_count_ = 0;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_PICTURE_LAYER_IMPL_H_