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

cc/layers/heads_up_display_layer_impl_unittest.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/layers/append_quads_data.h"
 #include "cc/layers/heads_up_display_layer_impl.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/test_shared_bitmap_manager.h"
 #include "cc/test/test_task_graph_runner.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 namespace {
 
 void CheckDrawLayer(HeadsUpDisplayLayerImpl* layer,
                     ResourceProvider* resource_provider,
                     DrawMode draw_mode) {
   scoped_ptr<RenderPass> render_pass = RenderPass::Create();
   AppendQuadsData data;
   bool will_draw = layer->WillDraw(draw_mode, resource_provider);
   if (will_draw)
     layer->AppendQuads(render_pass.get(), &data);
   layer->UpdateHudTexture(draw_mode, resource_provider);
   if (will_draw)
     layer->DidDraw(resource_provider);
 
   size_t expected_quad_list_size = will_draw ? 1 : 0;
   EXPECT_EQ(expected_quad_list_size, render_pass->quad_list.size());
 }
 
 TEST(HeadsUpDisplayLayerImplTest, ResourcelessSoftwareDrawAfterResourceLoss) {
-  FakeImplProxy proxy;
+  FakeImplTaskRunnerProvider task_runner_provider;
   TestSharedBitmapManager shared_bitmap_manager;
   TestTaskGraphRunner task_graph_runner;
   scoped_ptr<OutputSurface> output_surface = FakeOutputSurface::Create3d();
-  FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager,
+  FakeLayerTreeHostImpl host_impl(&task_runner_provider, &shared_bitmap_manager,
                                   &task_graph_runner);
   host_impl.CreatePendingTree();
   host_impl.SetVisible(true);
   host_impl.InitializeRenderer(output_surface.get());
   scoped_ptr<HeadsUpDisplayLayerImpl> layer =
     HeadsUpDisplayLayerImpl::Create(host_impl.pending_tree(), 1);
   layer->SetBounds(gfx::Size(100, 100));
 
   // Check regular hardware draw is ok.
   CheckDrawLayer(
       layer.get(), host_impl.resource_provider(), DRAW_MODE_HARDWARE);
 
   // Simulate a resource loss on transitioning to resourceless software mode.
   layer->ReleaseResources();
 
   // Should skip resourceless software draw and not crash in UpdateHudTexture.
   CheckDrawLayer(layer.get(),
                  host_impl.resource_provider(),
                  DRAW_MODE_RESOURCELESS_SOFTWARE);
 }
 
 }  // namespace
 }  // namespace cc