Add preliminary support for hw-accelerated tile rasterization.

cc/resources/worker_pool.cc

Index: cc/resources/worker_pool.cc
diff --git a/cc/resources/worker_pool.cc b/cc/resources/worker_pool.cc
index dca0c704f09dbc2559bf3f4adf860724ce9a6240..656a7bbf8037a0fddafdaa45db3c695d24bacaa8 100644
--- a/cc/resources/worker_pool.cc
+++ b/cc/resources/worker_pool.cc
@@ -390,8 +390,17 @@ void WorkerPool::Shutdown() {
   inner_->Shutdown();
 }
 
-void WorkerPool::CheckForCompletedTasks() {
-  TRACE_EVENT0("cc", "WorkerPool::CheckForCompletedTasks");
+void WorkerPool::SetTaskGraph(TaskGraph* graph) {
+  TRACE_EVENT1("cc", "WorkerPool::SetTaskGraph",
+               "num_tasks", graph->size());
+
+  DCHECK(!in_dispatch_completion_callbacks_);
+
+  inner_->SetTaskGraph(graph);
+}
+
+void WorkerPool::CheckForCompletedWorkerTasks() {
+  TRACE_EVENT0("cc", "WorkerPool::CheckForCompletedWorkerTasks");
 
   DCHECK(!in_dispatch_completion_callbacks_);
 
@@ -421,13 +430,4 @@ void WorkerPool::ProcessCompletedTasks(
   in_dispatch_completion_callbacks_ = false;
 }
 
-void WorkerPool::SetTaskGraph(TaskGraph* graph) {
-  TRACE_EVENT1("cc", "WorkerPool::SetTaskGraph",
-               "num_tasks", graph->size());
-
-  DCHECK(!in_dispatch_completion_callbacks_);
-
-  inner_->SetTaskGraph(graph);
-}
-
 }  // namespace cc