android: Remove in-process sync compositor code path

content/browser/android/in_process/synchronous_compositor_impl.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_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_IMPL_H_
-#define CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_IMPL_H_
-
-#include <stddef.h>
-
-#include <memory>
-#include <vector>
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "content/browser/android/synchronous_compositor_base.h"
-#include "content/renderer/android/synchronous_compositor_external_begin_frame_source.h"
-#include "content/renderer/android/synchronous_compositor_output_surface.h"
-#include "ipc/ipc_message.h"
-#include "ui/events/blink/synchronous_input_handler_proxy.h"
-
-namespace cc {
-class InputHandler;
-}
-
-namespace content {
-class InputHandlerManager;
-class RenderWidgetHostViewAndroid;
-class SynchronousCompositorExternalBeginFrameSource;
-struct DidOverscrollParams;
-
-// The purpose of this class is to act as the intermediary between the various
-// components that make up the 'synchronous compositor mode' implementation and
-// expose their functionality via the SynchronousCompositor interface.
-// This class is created on the main thread but most of the APIs are called
-// from the Compositor thread.
-class SynchronousCompositorImpl
-    : public ui::SynchronousInputHandler,
-      public SynchronousCompositorBase,
-      public SynchronousCompositorExternalBeginFrameSourceClient,
-      public SynchronousCompositorOutputSurfaceClient {
- public:
-  // For handling upcalls from renderer code; the process id
-  // is implicitly that of the in-process renderer.
-  static SynchronousCompositorImpl* FromRoutingID(int routing_id);
-
-  ~SynchronousCompositorImpl() override;
-
-  // Called by SynchronousCompositorRegistry.
-  void DidInitializeRendererObjects(
-      SynchronousCompositorOutputSurface* output_surface,
-      SynchronousCompositorExternalBeginFrameSource* begin_frame_source,
-      ui::SynchronousInputHandlerProxy* synchronous_input_handler_proxy);
-  void DidDestroyRendererObjects();
-
-  // SynchronousCompositorExternalBeginFrameSourceClient overrides.
-  void OnNeedsBeginFramesChange(bool needs_begin_frames) override;
-
-  // SynchronousCompositorOutputSurfaceClient overrides.
-  void Invalidate() override;
-  void SwapBuffers(uint32_t output_surface_id,
-                   cc::CompositorFrame* frame) override;
-
-  // SynchronousCompositor overrides.
-  SynchronousCompositor::Frame DemandDrawHw(
-      const gfx::Size& surface_size,
-      const gfx::Transform& transform,
-      const gfx::Rect& viewport,
-      const gfx::Rect& clip,
-      const gfx::Rect& viewport_rect_for_tile_priority,
-      const gfx::Transform& transform_for_tile_priority) override;
-  bool DemandDrawSw(SkCanvas* canvas) override;
-  void ReturnResources(uint32_t output_surface_id,
-                       const cc::CompositorFrameAck& frame_ack) override;
-  void SetMemoryPolicy(size_t bytes_limit) override;
-  void DidChangeRootLayerScrollOffset(
-      const gfx::ScrollOffset& root_offset) override;
-  void SynchronouslyZoomBy(float zoom_delta, const gfx::Point& anchor) override;
-  void SetIsActive(bool is_active) override;
-  void OnComputeScroll(base::TimeTicks animation_time) override;
-
-  // SynchronousCompositorBase overrides.
-  void BeginFrame(const cc::BeginFrameArgs& args) override;
-  InputEventAckState HandleInputEvent(
-      const blink::WebInputEvent& input_event) override;
-  void DidOverscroll(const DidOverscrollParams& params) override;
-  bool OnMessageReceived(const IPC::Message& message) override;
-  void DidBecomeCurrent() override;
-
-  // SynchronousInputHandler
-  void SetNeedsSynchronousAnimateInput() override;
-  void UpdateRootLayerState(const gfx::ScrollOffset& total_scroll_offset,
-                            const gfx::ScrollOffset& max_scroll_offset,
-                            const gfx::SizeF& scrollable_size,
-                            float page_scale_factor,
-                            float min_page_scale_factor,
-                            float max_page_scale_factor) override;
-
-  void DidOverscrollInProcess(const DidOverscrollParams& params);
-  void DidStopFlinging();
-
- private:
-  friend class SynchronousCompositorBase;
-  SynchronousCompositorImpl(RenderWidgetHostViewAndroid* rwhva,
-                            SynchronousCompositorClient* client);
-  void RegisterWithClient();
-  void UpdateFrameMetaData(const cc::CompositorFrameMetadata& frame_info);
-  void DidActivatePendingTree();
-  void DeliverMessages();
-  bool CalledOnValidThread() const;
-  void UpdateNeedsBeginFrames();
-
-  RenderWidgetHostViewAndroid* const rwhva_;
-  const int routing_id_;
-  SynchronousCompositorClient* const compositor_client_;
-  SynchronousCompositorOutputSurface* output_surface_;
-  SynchronousCompositorExternalBeginFrameSource* begin_frame_source_;
-  ui::SynchronousInputHandlerProxy* synchronous_input_handler_proxy_;
-  bool registered_with_client_;
-  bool is_active_;
-  bool renderer_needs_begin_frames_;
-  bool need_animate_input_;
-  SynchronousCompositor::Frame frame_holder_;
-
-  base::WeakPtrFactory<SynchronousCompositorImpl> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(SynchronousCompositorImpl);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_ANDROID_IN_PROCESS_SYNCHRONOUS_COMPOSITOR_IMPL_H_