cc: Make separate interface for BeginFrame ipc from OutputSurface

cc/layers/texture_layer_unittest.cc

 // 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.
 
 #include "cc/layers/texture_layer.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 34 matching lines @@
 gpu::Mailbox MailboxFromChar(char value) {
   gpu::Mailbox mailbox;
   memset(mailbox.name, value, sizeof(mailbox.name));
   return mailbox;
 }
 
 class MockLayerTreeHost : public LayerTreeHost {
  public:
   explicit MockLayerTreeHost(FakeLayerTreeHostClient* client)
       : LayerTreeHost(client, nullptr, nullptr, LayerTreeSettings()) {
-    InitializeSingleThreaded(client, base::MessageLoopProxy::current());
+    InitializeSingleThreaded(client,
+                             base::MessageLoopProxy::current(),
+                             nullptr);
   }
 
   MOCK_METHOD0(SetNeedsCommit, void());
   MOCK_METHOD0(SetNeedsUpdateLayers, void());
   MOCK_METHOD0(StartRateLimiter, void());
   MOCK_METHOD0(StopRateLimiter, void());
 };
 
 class FakeTextureLayerClient : public TextureLayerClient {
  public:
@@ skipping 1516 matching lines @@
   int callback_count_;
   scoped_refptr<Layer> root_;
   scoped_refptr<TextureLayer> layer_;
 };
 
 SINGLE_AND_MULTI_THREAD_DIRECT_RENDERER_TEST_F(
     TextureLayerWithMailboxImplThreadDeleted);
 
 }  // namespace
 }  // namespace cc