cc: Remove low quality mode and cleanup tile versions.

cc/resources/tile_manager.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_RESOURCES_TILE_MANAGER_H_
 #define CC_RESOURCES_TILE_MANAGER_H_
 
 #include <deque>
 #include <queue>
 #include <set>
@@ skipping 107 matching lines @@
   scoped_refptr<base::debug::ConvertableToTraceFormat> BasicStateAsValue()
       const;
   void BasicStateAsValueInto(base::debug::TracedValue* dict) const;
   const MemoryHistory::Entry& memory_stats_from_last_assign() const {
     return memory_stats_from_last_assign_;
   }
 
   void InitializeTilesWithResourcesForTesting(const std::vector<Tile*>& tiles) {
     for (size_t i = 0; i < tiles.size(); ++i) {
       ManagedTileState& mts = tiles[i]->managed_state();
-      ManagedTileState::TileVersion& tile_version =
-          mts.tile_versions[HIGH_QUALITY_RASTER_MODE];
+      ManagedTileState::TileDrawInfo& draw_info = mts.draw_info_;
 
-      tile_version.resource_ =
-          resource_pool_->AcquireResource(tiles[i]->size());
+      draw_info.resource_ = resource_pool_->AcquireResource(tiles[i]->size());
 
       bytes_releasable_ += BytesConsumedIfAllocated(tiles[i]);
       ++resources_releasable_;
     }
   }
 
   void ReleaseTileResourcesForTesting(const std::vector<Tile*>& tiles) {
     for (size_t i = 0; i < tiles.size(); ++i) {
       Tile* tile = tiles[i];
-      for (int mode = 0; mode < NUM_RASTER_MODES; ++mode) {
-        FreeResourceForTile(tile, static_cast<RasterMode>(mode));
-      }
+      FreeResourcesForTile(tile);
     }
   }
 
   void SetGlobalStateForTesting(
       const GlobalStateThatImpactsTilePriority& state) {
     // Soft limit is used for resource pool such that
     // memory returns to soft limit after going over.
     if (state != global_state_) {
       global_state_ = state;
       prioritized_tiles_dirty_ = true;
@@ skipping 48 matching lines @@
   void AssignGpuMemoryToTiles(PrioritizedTileSet* tiles,
                               TileVector* tiles_that_need_to_be_rasterized);
   void GetTilesWithAssignedBins(PrioritizedTileSet* tiles);
 
  private:
   void OnImageDecodeTaskCompleted(int layer_id,
                                   SkPixelRef* pixel_ref,
                                   bool was_canceled);
   void OnRasterTaskCompleted(Tile::Id tile,
                              scoped_ptr<ScopedResource> resource,
-                             RasterMode raster_mode,
                              const PicturePileImpl::Analysis& analysis,
                              bool was_canceled);
 
   inline size_t BytesConsumedIfAllocated(const Tile* tile) const {
     return Resource::MemorySizeBytes(tile->size(),
                                      resource_pool_->resource_format());
   }
 
-  void FreeResourceForTile(Tile* tile, RasterMode mode);
   void FreeResourcesForTile(Tile* tile);
-  void FreeUnusedResourcesForTile(Tile* tile);
   void FreeResourcesForTileAndNotifyClientIfTileWasReadyToDraw(Tile* tile);
   scoped_refptr<ImageDecodeTask> CreateImageDecodeTask(Tile* tile,
                                                        SkPixelRef* pixel_ref);
   scoped_refptr<RasterTask> CreateRasterTask(Tile* tile);
   void UpdatePrioritizedTileSetIfNeeded();
 
   bool IsReadyToActivate() const;
   void CheckIfReadyToActivate();
 
   TileManagerClient* client_;
@@ skipping 43 matching lines @@
   std::vector<scoped_refptr<RasterTask> > orphan_raster_tasks_;
 
   UniqueNotifier ready_to_activate_check_notifier_;
 
   DISALLOW_COPY_AND_ASSIGN(TileManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_TILE_MANAGER_H_