Revert of cc/blimp: Add a LayerTreeHostRemote implementation.

cc/blimp/remote_compositor_bridge_client.h

-// 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.
-
-#ifndef CC_BLIMP_REMOTE_COMPOSITOR_BRIDGE_CLIENT_H_
-#define CC_BLIMP_REMOTE_COMPOSITOR_BRIDGE_CLIENT_H_
-
-#include "base/macros.h"
-#include "cc/base/cc_export.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}  // namespace base
-
-namespace cc {
-class CompositorProtoState;
-
-class CC_EXPORT RemoteCompositorBridgeClient {
- public:
-  virtual ~RemoteCompositorBridgeClient() {}
-
-  // Called in response to a ScheduleMainFrame request made on the
-  // RemoteCompositorBridge.
-  // Note: The method should always be invoked asynchronously after the request
-  // is made.
-  virtual void BeginMainFrame() = 0;
-};
-
-}  // namespace cc
-
-#endif  // CC_BLIMP_REMOTE_COMPOSITOR_BRIDGE_CLIENT_H_