cc: GPU rasterize tiles synchronously in PrepareToDraw

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 161 matching lines @@
 
     // All unscheduled tasks need to be canceled.
     if (state.type == RasterTaskState::UNSCHEDULED) {
       completed_raster_tasks_.push_back(state.task);
       state.type = RasterTaskState::COMPLETED;
     }
   }
   DCHECK_EQ(completed_raster_tasks_.size(), raster_task_states_.size());
 }
 
+void PixelBufferRasterWorkerPool::RunTasks(RasterTaskQueue* queue) {
+  NOTIMPLEMENTED();
+}
+
 void PixelBufferRasterWorkerPool::ScheduleTasks(RasterTaskQueue* queue) {
   TRACE_EVENT0("cc", "PixelBufferRasterWorkerPool::ScheduleTasks");
 
   if (should_notify_client_if_no_tasks_are_pending_.none())
     TRACE_EVENT_ASYNC_BEGIN0("cc", "ScheduledTasks", this);
 
   should_notify_client_if_no_tasks_are_pending_.set();
   std::fill(task_counts_, task_counts_ + kNumberOfTaskSets, 0);
 
   // Update raster task state and remove items from old queue.
@@ skipping 548 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