cc: Clean up LayerTreeTest and TestHooks.

cc/test/proxy_main_for_test.h

Index: cc/test/proxy_main_for_test.h
diff --git a/cc/test/proxy_main_for_test.h b/cc/test/proxy_main_for_test.h
deleted file mode 100644
index ef354e357d82bc7a4101678bf5199c74b9299f06..0000000000000000000000000000000000000000
--- a/cc/test/proxy_main_for_test.h
+++ /dev/null
@@ -1,62 +0,0 @@
-// Copyright 2015 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_PROXY_MAIN_FOR_TEST_H_
-#define CC_TEST_PROXY_MAIN_FOR_TEST_H_
-
-#include "base/macros.h"
-#include "cc/test/test_hooks.h"
-#include "cc/trees/proxy_main.h"
-
-namespace cc {
-class ThreadedChannelForTest;
-
-// Creates a ProxyMain that notifies the supplied |test_hooks| of various
-// actions.
-class ProxyMainForTest : public ProxyMain {
- public:
-  static std::unique_ptr<ProxyMainForTest> CreateThreaded(
-      TestHooks* test_hooks,
-      LayerTreeHost* host,
-      TaskRunnerProvider* task_runner_provider);
-
-  static std::unique_ptr<ProxyMainForTest> CreateRemote(
-      TestHooks* test_hooks,
-      RemoteProtoChannel* remote_proto_channel,
-      LayerTreeHost* host,
-      TaskRunnerProvider* task_runner_provider);
-
-  ~ProxyMainForTest() override;
-
-  ProxyMainForTest(TestHooks* test_hooks,
-                   LayerTreeHost* host,
-                   TaskRunnerProvider* task_runner_provider);
-
-  ThreadedChannelForTest* threaded_channel_for_test() const {
-    return threaded_channel_for_test_;
-  }
-
-  void SetNeedsUpdateLayers() override;
-  void DidCompleteSwapBuffers() override;
-  void SetRendererCapabilities(
-      const RendererCapabilities& capabilities) override;
-  void BeginMainFrameNotExpectedSoon() override;
-  void DidCommitAndDrawFrame() override;
-  void SetAnimationEvents(std::unique_ptr<AnimationEvents> events) override;
-  void DidLoseOutputSurface() override;
-  void RequestNewOutputSurface() override;
-  void DidInitializeOutputSurface(
-      bool success,
-      const RendererCapabilities& capabilities) override;
-  void DidCompletePageScaleAnimation() override;
-  void BeginMainFrame(std::unique_ptr<BeginMainFrameAndCommitState>
-                          begin_main_frame_state) override;
-
-  TestHooks* test_hooks_;
-  ThreadedChannelForTest* threaded_channel_for_test_;
-};
-
-}  // namespace cc
-
-#endif  // CC_TEST_PROXY_MAIN_FOR_TEST_H_