cc: Remove RasterWorkerPool::Task.

cc/resources/pixel_buffer_raster_worker_pool.cc

 // Copyright 2013 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/pixel_buffer_raster_worker_pool.h"
 
 #include "base/containers/stack_container.h"
 #include "base/debug/trace_event.h"
 #include "base/values.h"
 #include "cc/debug/traced_value.h"
@@ skipping 70 matching lines @@
 
     // All unscheduled tasks need to be canceled.
     if (it->second == UNSCHEDULED) {
       completed_raster_tasks_.push_back(task);
       it->second = COMPLETED;
     }
   }
   DCHECK_EQ(completed_raster_tasks_.size(), raster_task_states_.size());
 }
 
-void PixelBufferRasterWorkerPool::ScheduleTasks(RasterTask::Queue* queue) {
+void PixelBufferRasterWorkerPool::ScheduleTasks(RasterTaskQueue* queue) {
   TRACE_EVENT0("cc", "PixelBufferRasterWorkerPool::ScheduleTasks");
 
+  DCHECK_EQ(queue->required_for_activation_count,
+            static_cast<size_t>(
+                std::count_if(queue->items.begin(),
+                              queue->items.end(),
+                              RasterTaskQueue::Item::IsRequiredForActivation)));
+
   if (!should_notify_client_if_no_tasks_are_pending_)
     TRACE_EVENT_ASYNC_BEGIN0("cc", "ScheduledTasks", this);
 
   should_notify_client_if_no_tasks_are_pending_ = true;
   should_notify_client_if_no_tasks_required_for_activation_are_pending_ = true;
 
   raster_tasks_required_for_activation_.clear();
 
   // Build new raster task state map.
   RasterTaskStateMap new_raster_task_states;
@@ skipping 574 matching lines @@
 
   throttle_state->SetInteger("bytes_available_for_upload",
                              max_bytes_pending_upload_ - bytes_pending_upload_);
   throttle_state->SetInteger("bytes_pending_upload", bytes_pending_upload_);
   throttle_state->SetInteger("scheduled_raster_task_count",
                              scheduled_raster_task_count_);
   return throttle_state.PassAs<base::Value>();
 }
 
 }  // namespace cc