Standardize usage of virtual/override/final in cc/

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 81 matching lines @@
     // Adding additional values requires increasing kNumberOfTaskSets in
     // rasterizer.h
   };
 
   static scoped_ptr<TileManager> Create(
       TileManagerClient* client,
       base::SequencedTaskRunner* task_runner,
       ResourcePool* resource_pool,
       Rasterizer* rasterizer,
       RenderingStatsInstrumentation* rendering_stats_instrumentation);
-  virtual ~TileManager();
+  ~TileManager() override;
 
   void ManageTiles(const GlobalStateThatImpactsTilePriority& state);
 
   // Returns true when visible tiles have been initialized.
   bool UpdateVisibleTiles();
 
   scoped_refptr<Tile> CreateTile(PicturePileImpl* picture_pile,
                                  const gfx::Size& tile_size,
                                  const gfx::Rect& content_rect,
                                  float contents_scale,
@@ skipping 50 matching lines @@
               const scoped_refptr<base::SequencedTaskRunner>& task_runner,
               ResourcePool* resource_pool,
               Rasterizer* rasterizer,
               RenderingStatsInstrumentation* rendering_stats_instrumentation);
 
   void FreeResourcesForReleasedTiles();
   void CleanUpReleasedTiles();
 
   // Overriden from RefCountedManager<Tile>:
   friend class Tile;
-  virtual void Release(Tile* tile) override;
+  void Release(Tile* tile) override;
 
   // Overriden from RasterizerClient:
-  virtual void DidFinishRunningTasks(TaskSet task_set) override;
-  virtual TaskSetCollection TasksThatShouldBeForcedToComplete() const override;
+  void DidFinishRunningTasks(TaskSet task_set) override;
+  TaskSetCollection TasksThatShouldBeForcedToComplete() const override;
 
   typedef std::vector<Tile*> TileVector;
   typedef std::set<Tile*> TileSet;
 
   // Virtual for test
   virtual void ScheduleTasks(
       const TileVector& tiles_that_need_to_be_rasterized);
 
   void AssignGpuMemoryToTiles(TileVector* tiles_that_need_to_be_rasterized);
 
@@ skipping 85 matching lines @@
   RasterTilePriorityQueue raster_priority_queue_;
   EvictionTilePriorityQueue eviction_priority_queue_;
   bool eviction_priority_queue_is_up_to_date_;
 
   DISALLOW_COPY_AND_ASSIGN(TileManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_TILE_MANAGER_H_