cc: Split Proxy and TaskRunnerProvider for the LayerTreeHost

cc/test/layer_tree_pixel_resource_test.cc

Index: cc/test/layer_tree_pixel_resource_test.cc
diff --git a/cc/test/layer_tree_pixel_resource_test.cc b/cc/test/layer_tree_pixel_resource_test.cc
index 596cb7c8b20ed984685037be6bb37a14ce6a841c..5c5c831dd81f633da62c3fd43956d552de50878f 100644
--- a/cc/test/layer_tree_pixel_resource_test.cc
+++ b/cc/test/layer_tree_pixel_resource_test.cc
@@ -110,8 +110,9 @@ void LayerTreeHostPixelResourceTest::CreateResourceAndTileTaskWorkerPool(
     scoped_ptr<TileTaskWorkerPool>* tile_task_worker_pool,
     scoped_ptr<ResourcePool>* resource_pool) {
   base::SingleThreadTaskRunner* task_runner =
-      proxy()->HasImplThread() ? proxy()->ImplThreadTaskRunner()
-                               : proxy()->MainThreadTaskRunner();
+      task_runner_provider()->HasImplThread()
+          ? task_runner_provider()->ImplThreadTaskRunner()
+          : task_runner_provider()->MainThreadTaskRunner();
   DCHECK(task_runner);
   DCHECK(initialized_);