cc: Delete channel abstraction between proxies.

cc/test/fake_channel_impl.cc

Index: cc/test/fake_channel_impl.cc
diff --git a/cc/test/fake_channel_impl.cc b/cc/test/fake_channel_impl.cc
deleted file mode 100644
index 0d6fc1a9d567a346575a6691da25c5ddbd099ffe..0000000000000000000000000000000000000000
--- a/cc/test/fake_channel_impl.cc
+++ /dev/null
@@ -1,15 +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.
-
-#include "cc/test/fake_channel_impl.h"
-#include "cc/trees/mutator_host.h"
-
-namespace cc {
-
-FakeChannelImpl::FakeChannelImpl() {}
-
-void FakeChannelImpl::SetAnimationEvents(std::unique_ptr<MutatorEvents> queue) {
-}
-
-}  // namespace cc