cc: Remove cc:RasterRequiredForActivation synthetic delays.

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 <algorithm>
 
 #include "base/containers/stack_container.h"
 #include "base/debug/trace_event.h"
@@ skipping 99 matching lines @@
       completed_raster_tasks_.push_back(state.task);
       state.type = RasterTaskState::COMPLETED;
     }
   }
   DCHECK_EQ(completed_raster_tasks_.size(), raster_task_states_.size());
 }
 
 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_count_ = 0u;
 
   // Update raster task state and remove items from old queue.
   for (RasterTaskQueue::Item::Vector::const_iterator it = queue->items.begin();
@@ skipping 429 matching lines @@
 
   size_t scheduled_raster_task_required_for_activation_count =
       tasks_required_for_activation.container().size();
   DCHECK_LE(scheduled_raster_task_required_for_activation_count,
             raster_tasks_required_for_activation_count_);
   // Schedule OnRasterTasksRequiredForActivationFinished call only when
   // notification is pending and throttling is not preventing all pending
   // tasks required for activation from being scheduled.
   if (!did_throttle_raster_tasks_required_for_activation &&
       should_notify_client_if_no_tasks_required_for_activation_are_pending_) {
-    new_raster_required_for_activation_finished_task =
-        CreateRasterRequiredForActivationFinishedTask(
-            raster_tasks_.required_for_activation_count,
-            task_runner_.get(),
-            base::Bind(&PixelBufferRasterWorkerPool::
-                           OnRasterRequiredForActivationFinished,
-                       raster_finished_weak_ptr_factory_.GetWeakPtr()));
+    new_raster_required_for_activation_finished_task = CreateRasterFinishedTask(
+        task_runner_.get(),
+        base::Bind(
+            &PixelBufferRasterWorkerPool::OnRasterRequiredForActivationFinished,
+            raster_finished_weak_ptr_factory_.GetWeakPtr()));
     raster_required_for_activation_finished_task_pending_ = true;
     InsertNodeForTask(&graph_,
                       new_raster_required_for_activation_finished_task.get(),
                       kRasterRequiredForActivationFinishedTaskPriority,
                       scheduled_raster_task_required_for_activation_count);
     for (RasterTaskVector::ContainerType::const_iterator it =
              tasks_required_for_activation.container().begin();
          it != tasks_required_for_activation.container().end();
          ++it) {
       graph_.edges.push_back(TaskGraph::Edge(
@@ skipping 151 matching lines @@
 void PixelBufferRasterWorkerPool::ThrottleStateAsValueInto(
     base::debug::TracedValue* throttle_state) const {
   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_);
 }
 
 }  // namespace cc