cc: Parameterize the main thread task runner

cc/test/fake_proxy.h

 // Copyright 2012 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.
 
 #ifndef CC_TEST_FAKE_PROXY_H_
 #define CC_TEST_FAKE_PROXY_H_
 
 #include "base/single_thread_task_runner.h"
 #include "cc/trees/layer_tree_host.h"
 #include "cc/trees/proxy.h"
 
 namespace cc {
 
 class FakeProxy : public Proxy {
  public:
-  FakeProxy() : Proxy(NULL), layer_tree_host_(NULL) {}
+  FakeProxy() : Proxy(NULL, NULL), layer_tree_host_(NULL) {}
   explicit FakeProxy(
+      scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
       scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner)
-      : Proxy(impl_task_runner),
-        layer_tree_host_(NULL) {}
+      : Proxy(main_task_runner, impl_task_runner), layer_tree_host_(NULL) {}
 
   void SetLayerTreeHost(LayerTreeHost* host);
 
   virtual void FinishAllRendering() OVERRIDE {}
   virtual bool IsStarted() const OVERRIDE;
   virtual void SetLayerTreeHostClientReady() OVERRIDE {}
   virtual void SetVisible(bool visible) OVERRIDE {}
   virtual const RendererCapabilities& GetRendererCapabilities() const OVERRIDE;
   virtual void SetNeedsAnimate() OVERRIDE {}
   virtual void SetNeedsUpdateLayers() OVERRIDE {}
@@ skipping 19 matching lines @@
 
  private:
   RendererCapabilities capabilities_;
   size_t max_partial_texture_updates_;
   LayerTreeHost* layer_tree_host_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_PROXY_H_