android: Remove in-process sync compositor code path

content/renderer/android/synchronous_compositor_factory.h

-// Copyright 2013 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 CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_FACTORY_H_
-#define CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_FACTORY_H_
-
-#include <memory>
-
-#include "base/memory/ref_counted.h"
-#include "gpu/config/gpu_info.h"
-#include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
-
-namespace base {
-class SingleThreadTaskRunner;
-}
-
-namespace cc {
-class BeginFrameSource;
-class ContextProvider;
-class OutputSurface;
-}
-
-namespace content {
-
-class InputHandlerManagerClient;
-class SynchronousInputHandlerProxyClient;
-class FrameSwapMessageQueue;
-
-// Decouples creation from usage of the parts needed for the synchonous
-// compositor rendering path. In practice this is only used in single
-// process mode (namely, for Android WebView) hence the implementation of
-// this will be injected from the logical 'browser' side code.
-class SynchronousCompositorFactory {
- public:
-  // Must only be called once, e.g. on startup. Ownership of |instance| remains
-  // with the caller.
-  static void SetInstance(SynchronousCompositorFactory* instance);
-  static SynchronousCompositorFactory* GetInstance();
-
-  virtual scoped_refptr<base::SingleThreadTaskRunner>
-  GetCompositorTaskRunner() = 0;
-  virtual std::unique_ptr<cc::OutputSurface> CreateOutputSurface(
-      int routing_id,
-      uint32_t output_surface_id,
-      const scoped_refptr<FrameSwapMessageQueue>& frame_swap_message_queue,
-      const scoped_refptr<cc::ContextProvider>& onscreen_context,
-      const scoped_refptr<cc::ContextProvider>& worker_context) = 0;
-
-  // The factory maintains ownership of the returned interface.
-  virtual InputHandlerManagerClient* GetInputHandlerManagerClient() = 0;
-  virtual SynchronousInputHandlerProxyClient*
-  GetSynchronousInputHandlerProxyClient() = 0;
-
-  virtual std::unique_ptr<cc::BeginFrameSource> CreateExternalBeginFrameSource(
-      int routing_id) = 0;
-
- protected:
-  SynchronousCompositorFactory() {}
-  virtual ~SynchronousCompositorFactory() {}
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_FACTORY_H_