cc: Split Proxy and TaskRunnerProvider for the LayerTreeHost

cc/trees/layer_tree_host_unittest.cc

 // Copyright 2011 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/trees/layer_tree_host.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/location.h"
@@ skipping 357 matching lines @@
     root_layer->SetBounds(gfx::Size(1024, 1024));
     root_layer->SetIsDrawable(true);
 
     layer_tree_host()->SetRootLayer(root_layer);
     LayerTreeHostTest::SetupTree();
   }
 
   void CommitCompleteOnThread(LayerTreeHostImpl* host_impl) override {
     if (!toggled_visibility_) {
       {
-        DebugScopedSetMainThread main(proxy());
+        DebugScopedSetMainThread main(task_runner_provider());
         layer_tree_host()->SetVisible(false);
       }
       toggled_visibility_ = true;
       EXPECT_FALSE(host_impl->visible());
     }
   }
 
   void NotifyReadyToDrawOnThread(LayerTreeHostImpl* host_impl) override {
     // Sometimes the worker thread posts NotifyReadyToDraw in the extremely
     // short duration of time between PrepareTiles and SetVisible(false) so we
     // might get two NotifyReadyToDraw signals for this test.
     did_notify_ready_to_draw_ = true;
   }
 
   void DrawLayersOnThread(LayerTreeHostImpl* host_impl) override {
     EXPECT_FALSE(did_draw_);
     did_draw_ = true;
     EndTest();
   }
 
   void DidFinishImplFrameOnThread(LayerTreeHostImpl* host_impl) override {
     if (!host_impl->visible()) {
       {
-        DebugScopedSetMainThread main(proxy());
+        DebugScopedSetMainThread main(task_runner_provider());
         layer_tree_host()->SetVisible(true);
       }
       EXPECT_TRUE(host_impl->visible());
     }
   }
 
   void AfterTest() override {
     EXPECT_TRUE(did_notify_ready_to_draw_);
     EXPECT_TRUE(did_draw_);
   }
@@ skipping 5988 matching lines @@
     EndTest();
   }
 
   void AfterTest() override {}
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostTestPaintedDeviceScaleFactor);
 
 }  // namespace
 }  // namespace cc