cc: Fix missing ready to activate/draw callbacks.

cc/tiles/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_TILES_TILE_MANAGER_H_
 #define CC_TILES_TILE_MANAGER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 183 matching lines @@
   }
 
   void CheckIfMoreTilesNeedToBePreparedForTesting() {
     CheckIfMoreTilesNeedToBePrepared();
   }
 
   void SetMoreTilesNeedToBeRasterizedForTesting() {
     all_tiles_that_need_to_be_rasterized_are_scheduled_ = false;
   }
 
+  void ResetSignalsForTesting() { signals_.reset(); }
+
   bool HasScheduledTileTasksForTesting() const {
     return has_scheduled_tile_tasks_;
   }
 
   void OnRasterTaskCompleted(std::unique_ptr<RasterBuffer> raster_buffer,
                              Tile* tile,
                              Resource* resource,
                              bool was_canceled);
 
  protected:
@@ skipping 62 matching lines @@
   std::unique_ptr<EvictionTilePriorityQueue>
   FreeTileResourcesWithLowerPriorityUntilUsageIsWithinLimit(
       std::unique_ptr<EvictionTilePriorityQueue> eviction_priority_queue,
       const MemoryUsage& limit,
       const TilePriority& oother_priority,
       MemoryUsage* usage);
   bool TilePriorityViolatesMemoryPolicy(const TilePriority& priority);
   bool AreRequiredTilesReadyToDraw(RasterTilePriorityQueue::Type type) const;
   void CheckIfMoreTilesNeedToBePrepared();
   void CheckAndIssueSignals();
-  bool MarkTilesOutOfMemory(
+  void MarkTilesOutOfMemory(
       std::unique_ptr<RasterTilePriorityQueue> queue) const;
 
   ResourceFormat DetermineResourceFormat(const Tile* tile) const;
   bool DetermineResourceRequiresSwizzle(const Tile* tile) const;
 
   void DidFinishRunningTileTasksRequiredForActivation();
   void DidFinishRunningTileTasksRequiredForDraw();
   void DidFinishRunningAllTileTasks();
 
   scoped_refptr<TileTask> CreateTaskSetFinishedTask(
@@ skipping 52 matching lines @@
   std::vector<scoped_refptr<TileTask>> locked_image_tasks_;
 
   base::WeakPtrFactory<TileManager> task_set_finished_weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TileManager);
 };
 
 }  // namespace cc
 
 #endif  // CC_TILES_TILE_MANAGER_H_