Remove CanvasSurfaceLayerBridgeClient

third_party/WebKit/Source/platform/graphics/CanvasSurfaceLayerBridgeClient.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 CanvasSurfaceLayerBridgeClient_h
-#define CanvasSurfaceLayerBridgeClient_h
-
-#include "cc/surfaces/surface_id.h"
-#include "cc/surfaces/surface_sequence.h"
-#include "platform/PlatformExport.h"
-
-namespace blink {
-
-// This class is an interface for all mojo calls from CanvasSurfaceLayerBridge
-// to OffscreenCanvasSurfaceService.
-class PLATFORM_EXPORT CanvasSurfaceLayerBridgeClient {
-public:
-    virtual ~CanvasSurfaceLayerBridgeClient() {};
-
-    // Calls that help initial creation of SurfaceLayer.
-    virtual bool syncGetSurfaceId(cc::SurfaceId*) = 0;
-
-    // Calls that ensure correct destruction order of surface.
-    virtual void asyncRequire(const cc::SurfaceId&, const cc::SurfaceSequence&) = 0;
-    virtual void asyncSatisfy(const cc::SurfaceSequence&) = 0;
-};
-
-} // namespace blink
-
-#endif // CanvasSurfaceLayerBridgeClient_h