cc: Split Proxy to eliminate unnecessary dependencies on the impl side

cc/layers/picture_layer_impl_perftest.cc

Index: cc/layers/picture_layer_impl_perftest.cc
diff --git a/cc/layers/picture_layer_impl_perftest.cc b/cc/layers/picture_layer_impl_perftest.cc
index ef41efc4afde9e8eae2141dfd8e58f2c3e548144..92f6282f2d7176dc5d9be999913cf78c5932d927 100644
--- a/cc/layers/picture_layer_impl_perftest.cc
+++ b/cc/layers/picture_layer_impl_perftest.cc
@@ -7,7 +7,7 @@
 #include "base/thread_task_runner_handle.h"
 #include "cc/debug/lap_timer.h"
 #include "cc/test/fake_display_list_raster_source.h"
-#include "cc/test/fake_impl_proxy.h"
+#include "cc/test/fake_impl_task_runner_provider.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/fake_picture_layer_impl.h"
@@ -40,10 +40,10 @@ void AddTiling(float scale,
 class PictureLayerImplPerfTest : public testing::Test {
  public:
   PictureLayerImplPerfTest()
-      : proxy_(base::ThreadTaskRunnerHandle::Get()),
+      : task_runner_provider_(base::ThreadTaskRunnerHandle::Get()),
         output_surface_(FakeOutputSurface::Create3d()),
         host_impl_(LayerTreeSettings(),
-                   &proxy_,
+                   &task_runner_provider_,
                    &shared_bitmap_manager_,
                    &task_graph_runner_),
         timer_(kWarmupRuns,
@@ -164,7 +164,7 @@ class PictureLayerImplPerfTest : public testing::Test {
  protected:
   TestSharedBitmapManager shared_bitmap_manager_;
   TestTaskGraphRunner task_graph_runner_;
-  FakeImplProxy proxy_;
+  FakeImplTaskRunnerProvider task_runner_provider_;
   scoped_ptr<OutputSurface> output_surface_;
   FakeLayerTreeHostImpl host_impl_;
   FakePictureLayerImpl* pending_layer_;