cc: GPU rasterize tiles synchronously in PrepareToDraw

cc/resources/zero_copy_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/zero_copy_raster_worker_pool.h"
 
 #include <algorithm>
 
 #include "base/debug/trace_event.h"
 #include "base/debug/trace_event_argument.h"
@@ skipping 67 matching lines @@
 }
 
 void ZeroCopyRasterWorkerPool::Shutdown() {
   TRACE_EVENT0("cc", "ZeroCopyRasterWorkerPool::Shutdown");
 
   TaskGraph empty;
   task_graph_runner_->ScheduleTasks(namespace_token_, &empty);
   task_graph_runner_->WaitForTasksToFinishRunning(namespace_token_);
 }
 
+void ZeroCopyRasterWorkerPool::RunTasks(RasterTaskQueue* queue) {
+  NOTIMPLEMENTED();
+}
+
 void ZeroCopyRasterWorkerPool::ScheduleTasks(RasterTaskQueue* queue) {
   TRACE_EVENT0("cc", "ZeroCopyRasterWorkerPool::ScheduleTasks");
 
   if (raster_pending_.none())
     TRACE_EVENT_ASYNC_BEGIN0("cc", "ScheduledTasks", this);
 
   // Mark all task sets as pending.
   raster_pending_.set();
 
   unsigned priority = kRasterTaskPriorityBase;
@@ skipping 104 matching lines @@
       new base::debug::TracedValue();
 
   state->BeginArray("tasks_pending");
   for (TaskSet task_set = 0; task_set < kNumberOfTaskSets; ++task_set)
     state->AppendBoolean(raster_pending_[task_set]);
   state->EndArray();
   return state;
 }
 
 }  // namespace cc