cc: Add image decode queue functionality to image manager.

cc/tiles/tile_manager.cc

 // 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.
 
 #include "cc/tiles/tile_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 338 matching lines @@
     : client_(client),
       task_runner_(task_runner),
       resource_pool_(nullptr),
       tile_task_manager_(nullptr),
       scheduled_raster_task_limit_(scheduled_raster_task_limit),
       use_partial_raster_(use_partial_raster),
       use_gpu_rasterization_(false),
       all_tiles_that_need_to_be_rasterized_are_scheduled_(true),
       did_check_for_completed_tasks_since_last_schedule_tasks_(true),
       did_oom_on_last_assign_(false),
+      image_controller_(task_runner),
       more_tiles_need_prepare_check_notifier_(
           task_runner_,
           base::Bind(&TileManager::CheckIfMoreTilesNeedToBePrepared,
                      base::Unretained(this))),
       signals_check_notifier_(task_runner_,
                               base::Bind(&TileManager::CheckAndIssueSignals,
                                          base::Unretained(this))),
       has_scheduled_tile_tasks_(false),
       prepare_tiles_count_(0u),
       next_tile_id_(0u),
@@ skipping 670 matching lines @@
   draw_info.set_use_resource();
   draw_info.resource_ = resource;
   draw_info.contents_swizzled_ = DetermineResourceRequiresSwizzle(tile);
 
   DCHECK(draw_info.IsReadyToDraw());
   draw_info.set_was_ever_ready_to_draw();
 
   client_->NotifyTileStateChanged(tile);
 }
 
+void TileManager::NotifyFrameFinished() {
+  image_controller_.NotifyFrameFinished();
+}
+
 ScopedTilePtr TileManager::CreateTile(const Tile::CreateInfo& info,
                                       int layer_id,
                                       int source_frame_number,
                                       int flags) {
   // We need to have a tile task worker pool to do anything meaningful with
   // tiles.
   DCHECK(tile_task_manager_);
   ScopedTilePtr tile(
       new Tile(this, info, layer_id, source_frame_number, flags));
   DCHECK(tiles_.find(tile->id()) == tiles_.end());
@@ skipping 282 matching lines @@
   all_tile_tasks_completed = false;
   did_notify_all_tile_tasks_completed = false;
 }
 
 TileManager::PrioritizedWorkToSchedule::PrioritizedWorkToSchedule() = default;
 TileManager::PrioritizedWorkToSchedule::PrioritizedWorkToSchedule(
     PrioritizedWorkToSchedule&& other) = default;
 TileManager::PrioritizedWorkToSchedule::~PrioritizedWorkToSchedule() = default;
 
 }  // namespace cc