CC: Delete unused code and fix priority_ array definition.

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 <queue>
 #include <set>
 #include <vector>
@@ skipping 58 matching lines @@
   scoped_ptr<base::Value> AllTilesAsValue() const;
   void GetMemoryStats(size_t* memory_required_bytes,
                       size_t* memory_nice_to_have_bytes,
                       size_t* memory_allocated_bytes,
                       size_t* memory_used_bytes) const;
 
   const MemoryHistory::Entry& memory_stats_from_last_assign() const {
     return memory_stats_from_last_assign_;
   }
 
-  bool AreTilesRequiredForActivationReady() const {
-    return all_tiles_required_for_activation_have_been_initialized_;
-  }
-
   void InitializeTilesWithResourcesForTesting(
       const std::vector<Tile*>& tiles,
       ResourceProvider* resource_provider) {
     for (size_t i = 0; i < tiles.size(); ++i) {
       ManagedTileState& mts = tiles[i]->managed_state();
       ManagedTileState::TileVersion& tile_version =
           mts.tile_versions[HIGH_QUALITY_NO_LCD_RASTER_MODE];
 
       tile_version.resource_ = make_scoped_ptr(
           new ResourcePool::Resource(resource_provider,
@@ skipping 65 matching lines @@
   GlobalStateThatImpactsTilePriority global_state_;
 
   typedef base::hash_map<Tile::Id, Tile*> TileMap;
   TileMap tiles_;
 
   PrioritizedTileSet prioritized_tiles_;
   bool prioritized_tiles_dirty_;
 
   bool all_tiles_that_need_to_be_rasterized_have_memory_;
   bool all_tiles_required_for_activation_have_memory_;
-  bool all_tiles_required_for_activation_have_been_initialized_;
 
   size_t bytes_releasable_;
   size_t resources_releasable_;
 
   bool ever_exceeded_memory_budget_;
   MemoryHistory::Entry memory_stats_from_last_assign_;
 
   RenderingStatsInstrumentation* rendering_stats_instrumentation_;
 
   bool did_initialize_visible_tile_;
 
   typedef base::hash_map<uint32_t, RasterWorkerPool::Task> PixelRefTaskMap;
   typedef base::hash_map<int, PixelRefTaskMap> LayerPixelRefTaskMap;
   LayerPixelRefTaskMap image_decode_tasks_;
 
   RasterTaskCompletionStats update_visible_tiles_stats_;
 
   DISALLOW_COPY_AND_ASSIGN(TileManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_TILE_MANAGER_H_