cc: Clean up LayerTreeTest and TestHooks.

cc/test/remote_channel_impl_for_test.cc

-// Copyright 2016 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/test/remote_channel_impl_for_test.h"
-
-#include "base/memory/ptr_util.h"
-#include "cc/test/proxy_impl_for_test.h"
-
-namespace cc {
-
-std::unique_ptr<RemoteChannelImplForTest> RemoteChannelImplForTest::Create(
-    TestHooks* test_hooks,
-    LayerTreeHost* layer_tree_host,
-    RemoteProtoChannel* remote_proto_channel,
-    TaskRunnerProvider* task_runner_provider) {
-  return base::WrapUnique(new RemoteChannelImplForTest(
-      test_hooks, layer_tree_host, remote_proto_channel, task_runner_provider));
-}
-
-RemoteChannelImplForTest::RemoteChannelImplForTest(
-    TestHooks* test_hooks,
-    LayerTreeHost* layer_tree_host,
-    RemoteProtoChannel* remote_proto_channel,
-    TaskRunnerProvider* task_runner_provider)
-    : RemoteChannelImpl(layer_tree_host,
-                        remote_proto_channel,
-                        task_runner_provider),
-      test_hooks_(test_hooks),
-      proxy_impl_for_test_(nullptr) {}
-
-std::unique_ptr<ProxyImpl> RemoteChannelImplForTest::CreateProxyImpl(
-    ChannelImpl* channel_impl,
-    LayerTreeHost* layer_tree_host,
-    TaskRunnerProvider* task_runner_provider,
-    std::unique_ptr<BeginFrameSource> external_begin_frame_source) {
-  std::unique_ptr<ProxyImplForTest> proxy_impl = ProxyImplForTest::Create(
-      test_hooks_, channel_impl, layer_tree_host, task_runner_provider,
-      std::move(external_begin_frame_source));
-  proxy_impl_for_test_ = proxy_impl.get();
-  return std::move(proxy_impl);
-}
-
-}  // namespace cc