Update from https://crrev.com/304121

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"
 
 namespace cc {
 
 class FakePictureLayerImpl : public PictureLayerImpl {
  public:
   static scoped_ptr<FakePictureLayerImpl> Create(
       LayerTreeImpl* tree_impl, int id) {
     return make_scoped_ptr(new FakePictureLayerImpl(tree_impl, id));
   }
 
-  // Create layer from a pile that covers the entire layer.
-  static scoped_ptr<FakePictureLayerImpl> CreateWithPile(
-      LayerTreeImpl* tree_impl, int id, scoped_refptr<PicturePileImpl> pile) {
-    return make_scoped_ptr(new FakePictureLayerImpl(tree_impl, id, pile));
+  // Create layer from a raster source that covers the entire layer.
+  static scoped_ptr<FakePictureLayerImpl> CreateWithRasterSource(
+      LayerTreeImpl* tree_impl,
+      int id,
+      scoped_refptr<RasterSource> raster_source) {
+    return make_scoped_ptr(
+        new FakePictureLayerImpl(tree_impl, id, raster_source));
   }
 
-  // Create layer from a pile that only covers part of the layer.
-  static scoped_ptr<FakePictureLayerImpl> CreateWithPartialPile(
+  // Create layer from a raster source that only covers part of the layer.
+  static scoped_ptr<FakePictureLayerImpl> CreateWithPartialRasterSource(
       LayerTreeImpl* tree_impl,
       int id,
-      scoped_refptr<PicturePileImpl> pile,
+      scoped_refptr<RasterSource> raster_source,
       const gfx::Size& layer_bounds) {
     return make_scoped_ptr(
-        new FakePictureLayerImpl(tree_impl, id, pile, layer_bounds));
+        new FakePictureLayerImpl(tree_impl, id, raster_source, layer_bounds));
   }
 
   scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
   void AppendQuads(RenderPass* render_pass,
                    const Occlusion& occlusion_in_content_space,
                    AppendQuadsData* append_quads_data) override;
   gfx::Size CalculateTileSize(const gfx::Size& content_bounds) const override;
 
   void DidBecomeActive() override;
   size_t did_become_active_call_count() {
     return did_become_active_call_count_;
   }
 
   bool HasValidTilePriorities() const override;
   void set_has_valid_tile_priorities(bool has_valid_priorities) {
     has_valid_tile_priorities_ = has_valid_priorities;
     use_set_valid_tile_priorities_flag_ = true;
   }
 
+  size_t CountTilesRequired(
+      TileRequirementCheck is_tile_required_callback) const;
+  size_t CountTilesRequiredForActivation() const;
+  size_t CountTilesRequiredForDraw() const;
+
   using PictureLayerImpl::AddTiling;
   using PictureLayerImpl::CleanUpTilingsOnActiveLayer;
   using PictureLayerImpl::CanHaveTilings;
   using PictureLayerImpl::DoPostCommitInitializationIfNeeded;
   using PictureLayerImpl::MinimumContentsScale;
   using PictureLayerImpl::GetViewportForTilePriorityInContentSpace;
   using PictureLayerImpl::SanityCheckTilingState;
   using PictureLayerImpl::GetRecycledTwinLayer;
-  using PictureLayerImpl::UpdatePile;
+  using PictureLayerImpl::UpdateRasterSource;
 
   using PictureLayerImpl::UpdateIdealScales;
   using PictureLayerImpl::MaximumTilingContentsScale;
 
   void SetNeedsPostCommitInitialization() {
     needs_post_commit_initialization_ = true;
   }
 
   bool needs_post_commit_initialization() const {
     return needs_post_commit_initialization_;
   }
 
   float raster_page_scale() const { return raster_page_scale_; }
   void set_raster_page_scale(float scale) { raster_page_scale_ = scale; }
 
   float ideal_contents_scale() const { return ideal_contents_scale_; }
   float raster_contents_scale() const { return raster_contents_scale_; }
 
   PictureLayerTiling* HighResTiling() const;
   PictureLayerTiling* LowResTiling() const;
   size_t num_tilings() const { return tilings_->num_tilings(); }
 
   PictureLayerTilingSet* tilings() { return tilings_.get(); }
-  PicturePileImpl* pile() { return pile_.get(); }
-  void SetPile(scoped_refptr<PicturePileImpl> pile);
+  RasterSource* raster_source() { return raster_source_.get(); }
+  void SetRasterSource(scoped_refptr<RasterSource> raster_source);
   size_t append_quads_count() { return append_quads_count_; }
 
   const Region& invalidation() const { return invalidation_; }
   void set_invalidation(const Region& region) { invalidation_ = region; }
 
   gfx::Rect visible_rect_for_tile_priority() {
     return visible_rect_for_tile_priority_;
   }
 
   void set_fixed_tile_size(const gfx::Size& size) { fixed_tile_size_ = size; }
 
   void CreateDefaultTilingsAndTiles();
   void SetAllTilesVisible();
   void SetAllTilesReady();
   void SetAllTilesReadyInTiling(PictureLayerTiling* tiling);
   void SetTileReady(Tile* tile);
   void ResetAllTilesPriorities();
   PictureLayerTilingSet* GetTilings() { return tilings_.get(); }
 
   size_t release_resources_count() const { return release_resources_count_; }
   void reset_release_resources_count() { release_resources_count_ = 0; }
 
   void ReleaseResources() 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<PicturePileImpl> pile);
   FakePictureLayerImpl(LayerTreeImpl* tree_impl,
                        int id,
-                       scoped_refptr<PicturePileImpl> pile,
+                       scoped_refptr<RasterSource> raster_source);
+  FakePictureLayerImpl(LayerTreeImpl* tree_impl,
+                       int id,
+                       scoped_refptr<RasterSource> raster_source,
                        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 release_resources_count_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_PICTURE_LAYER_IMPL_H_