cc: Remove RasterWorkerPool::Task.

cc/resources/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/resources/tile_manager.h"
 
 #include <algorithm>
 #include <limits>
 #include <string>
 
@@ skipping 196 matching lines @@
 }
 
 TileManager::~TileManager() {
   // Reset global state and manage. This should cause
   // our memory usage to drop to zero.
   global_state_ = GlobalStateThatImpactsTilePriority();
 
   CleanUpReleasedTiles();
   DCHECK_EQ(0u, tiles_.size());
 
-  RasterWorkerPool::RasterTask::Queue empty[NUM_RASTER_WORKER_POOL_TYPES];
+  RasterTaskQueue empty[NUM_RASTER_WORKER_POOL_TYPES];
   raster_worker_pool_delegate_->ScheduleTasks(empty);
 
   // This should finish all pending tasks and release any uninitialized
   // resources.
   raster_worker_pool_delegate_->Shutdown();
   raster_worker_pool_delegate_->CheckForCompletedTasks();
 
   DCHECK_EQ(0u, bytes_releasable_);
   DCHECK_EQ(0u, resources_releasable_);
 }
@@ skipping 119 matching lines @@
   const TreePriority tree_priority = global_state_.tree_priority;
 
   // For each tree, bin into different categories of tiles.
   for (TileMap::const_iterator it = tiles_.begin(); it != tiles_.end(); ++it) {
     Tile* tile = it->second;
     ManagedTileState& mts = tile->managed_state();
 
     const ManagedTileState::TileVersion& tile_version =
         tile->GetTileVersionForDrawing();
     bool tile_is_ready_to_draw = tile_version.IsReadyToDraw();
-    bool tile_is_active =
-        tile_is_ready_to_draw ||
-        !mts.tile_versions[mts.raster_mode].raster_task_.is_null();
+    bool tile_is_active = tile_is_ready_to_draw ||
+                          mts.tile_versions[mts.raster_mode].raster_task_;
 
     // Get the active priority and bin.
     TilePriority active_priority = tile->priority(ACTIVE_TREE);
     ManagedTileBin active_bin = BinFromTilePriority(active_priority);
 
     // Get the pending priority and bin.
     TilePriority pending_priority = tile->priority(PENDING_TREE);
     ManagedTileBin pending_bin = BinFromTilePriority(pending_priority);
 
     bool pending_is_low_res = pending_priority.resolution == LOW_RESOLUTION;
@@ skipping 309 matching lines @@
         tile_resources++;
       }
     }
 
     // Allow lower priority tiles with initialized resources to keep
     // their memory by only assigning memory to new raster tasks if
     // they can be scheduled.
     if (raster_bytes_if_rastered <= max_raster_bytes) {
       // If we don't have the required version, and it's not in flight
       // then we'll have to pay to create a new task.
-      if (!tile_version.resource_ && tile_version.raster_task_.is_null()) {
+      if (!tile_version.resource_ && !tile_version.raster_task_) {
         tile_bytes += bytes_if_allocated;
         tile_resources++;
       }
     }
 
     // Tile is OOM.
     if (tile_bytes > tile_bytes_left || tile_resources > resources_left) {
       FreeResourcesForTile(tile);
 
       // This tile was already on screen and now its resources have been
@@ skipping 112 matching lines @@
        it != tiles_that_need_to_be_rasterized.end();
        ++it) {
     Tile* tile = *it;
     ManagedTileState& mts = tile->managed_state();
     ManagedTileState::TileVersion& tile_version =
         mts.tile_versions[mts.raster_mode];
 
     DCHECK(tile_version.requires_resource());
     DCHECK(!tile_version.resource_);
 
-    if (tile_version.raster_task_.is_null())
+    if (!tile_version.raster_task_)
       tile_version.raster_task_ = CreateRasterTask(tile);
 
     size_t pool_type = tile->use_gpu_rasterization()
                            ? RASTER_WORKER_POOL_TYPE_DIRECT
                            : RASTER_WORKER_POOL_TYPE_DEFAULT;
 
-    raster_queue_[pool_type]
-        .Append(tile_version.raster_task_, tile->required_for_activation());
+    raster_queue_[pool_type].items.push_back(RasterTaskQueue::Item(
+        tile_version.raster_task_.get(), tile->required_for_activation()));
+    raster_queue_[pool_type].required_for_activation_count +=
+        tile->required_for_activation();
   }
 
   // We must reduce the amount of unused resoruces before calling
   // ScheduleTasks to prevent usage from rising above limits.
   resource_pool_->ReduceResourceUsage();
 
   // Schedule running of |raster_tasks_|. This replaces any previously
   // scheduled tasks and effectively cancels all tasks not present
   // in |raster_tasks_|.
   raster_worker_pool_delegate_->ScheduleTasks(raster_queue_);
 
   did_check_for_completed_tasks_since_last_schedule_tasks_ = false;
 }
 
-RasterWorkerPool::Task TileManager::CreateImageDecodeTask(
+scoped_refptr<internal::WorkerPoolTask> TileManager::CreateImageDecodeTask(
     Tile* tile,
     SkPixelRef* pixel_ref) {
   return RasterWorkerPool::CreateImageDecodeTask(
       pixel_ref,
       tile->layer_id(),
       rendering_stats_instrumentation_,
       base::Bind(&TileManager::OnImageDecodeTaskCompleted,
                  base::Unretained(this),
                  tile->layer_id(),
                  base::Unretained(pixel_ref)));
 }
 
-RasterWorkerPool::RasterTask TileManager::CreateRasterTask(Tile* tile) {
+scoped_refptr<internal::RasterWorkerPoolTask> TileManager::CreateRasterTask(
+    Tile* tile) {
   ManagedTileState& mts = tile->managed_state();
 
   scoped_ptr<ScopedResource> resource =
       resource_pool_->AcquireResource(tile->tile_size_.size());
   const ScopedResource* const_resource = resource.get();
 
   // Create and queue all image decode tasks that this tile depends on.
-  RasterWorkerPool::Task::Set decode_tasks;
+  internal::WorkerPoolTask::Vector decode_tasks;
   PixelRefTaskMap& existing_pixel_refs = image_decode_tasks_[tile->layer_id()];
   for (PicturePileImpl::PixelRefIterator iter(
            tile->content_rect(), tile->contents_scale(), tile->picture_pile());
        iter;
        ++iter) {
     SkPixelRef* pixel_ref = *iter;
     uint32_t id = pixel_ref->getGenerationID();
 
     // Append existing image decode task if available.
     PixelRefTaskMap::iterator decode_task_it = existing_pixel_refs.find(id);
     if (decode_task_it != existing_pixel_refs.end()) {
-      decode_tasks.Insert(decode_task_it->second);
+      decode_tasks.push_back(decode_task_it->second);
       continue;
     }
 
     // Create and append new image decode task for this pixel ref.
-    RasterWorkerPool::Task decode_task = CreateImageDecodeTask(tile, pixel_ref);
-    decode_tasks.Insert(decode_task);
+    scoped_refptr<internal::WorkerPoolTask> decode_task =
+        CreateImageDecodeTask(tile, pixel_ref);
+    decode_tasks.push_back(decode_task);
     existing_pixel_refs[id] = decode_task;
   }
 
   return RasterWorkerPool::CreateRasterTask(
       const_resource,
       tile->picture_pile(),
       tile->content_rect(),
       tile->contents_scale(),
       mts.raster_mode,
       mts.resolution,
@@ skipping 40 matching lines @@
   TileMap::iterator it = tiles_.find(tile_id);
   if (it == tiles_.end()) {
     ++update_visible_tiles_stats_.canceled_count;
     resource_pool_->ReleaseResource(resource.Pass());
     return;
   }
 
   Tile* tile = it->second;
   ManagedTileState& mts = tile->managed_state();
   ManagedTileState::TileVersion& tile_version = mts.tile_versions[raster_mode];
-  DCHECK(!tile_version.raster_task_.is_null());
-  tile_version.raster_task_.Reset();
+  DCHECK(tile_version.raster_task_);
+  tile_version.raster_task_ = NULL;
 
   if (was_canceled) {
     ++update_visible_tiles_stats_.canceled_count;
     resource_pool_->ReleaseResource(resource.Pass());
     return;
   }
 
   ++update_visible_tiles_stats_.completed_count;
 
   tile_version.set_has_text(analysis.has_text);
@@ skipping 32 matching lines @@
                                                          flags));
   DCHECK(tiles_.find(tile->id()) == tiles_.end());
 
   tiles_[tile->id()] = tile;
   used_layer_counts_[tile->layer_id()]++;
   prioritized_tiles_dirty_ = true;
   return tile;
 }
 
 }  // namespace cc