[cc] Forward BeginFrameAcks through RWHVAndroid / DFHAndroid.

content/browser/renderer_host/render_widget_host_view_android.h

 // Copyright (c) 2012 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_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 115 matching lines @@
   void OnSetNeedsFlushInput() override;
   void GestureEventAck(const blink::WebGestureEvent& event,
                        InputEventAckState ack_result) override;
   BrowserAccessibilityManager* CreateBrowserAccessibilityManager(
       BrowserAccessibilityDelegate* delegate, bool for_root_frame) override;
   bool LockMouse() override;
   void UnlockMouse() override;
   void DidCreateNewRendererCompositorFrameSink() override;
   void SubmitCompositorFrame(const cc::LocalSurfaceId& local_surface_id,
                              cc::CompositorFrame frame) override;
+  void OnBeginFrameDidNotSwap(const cc::BeginFrameAck& ack) override;
   void ClearCompositorFrame() override;
   void SetIsInVR(bool is_in_vr) override;
   bool IsInVR() const override;
   void DidOverscroll(const ui::DidOverscrollParams& params) override;
   void DidStopFlinging() override;
   void ShowDisambiguationPopup(const gfx::Rect& rect_pixels,
                                const SkBitmap& zoomed_bitmap) override;
   std::unique_ptr<SyntheticGestureTarget> CreateSyntheticGestureTarget()
       override;
   void OnDidNavigateMainFrameToNewPage() override;
@@ skipping 151 matching lines @@
   void DestroyDelegatedContent();
   void OnLostResources();
 
   enum BeginFrameRequestType {
     FLUSH_INPUT = 1 << 0,
     BEGIN_FRAME = 1 << 1,
     PERSISTENT_BEGIN_FRAME = 1 << 2
   };
   void AddBeginFrameRequest(BeginFrameRequestType request);
   void ClearBeginFrameRequest(BeginFrameRequestType request);
+  void AcknowledgeBeginFrame(const cc::BeginFrameAck& ack);
   void StartObservingRootWindow();
   void StopObservingRootWindow();
   void SendBeginFrame(cc::BeginFrameArgs args);
   bool Animate(base::TimeTicks frame_time);
   void RequestDisallowInterceptTouchEvent();
 
   bool SyncCompositorOnMessageReceived(const IPC::Message& message);
 
   void ComputeEventLatencyOSTouchHistograms(const ui::MotionEvent& event);
 
   void CreateOverscrollControllerIfPossible();
 
   // The model object.
   RenderWidgetHostImpl* host_;
 
   // The begin frame source being observed.  Null if none.
   cc::BeginFrameSource* begin_frame_source_;
   cc::BeginFrameArgs last_begin_frame_args_;
+  uint32_t latest_confirmed_begin_frame_source_id_;
+  uint64_t latest_confirmed_begin_frame_sequence_number_;
 
   // Indicates whether and for what reason a request for begin frames has been
   // issued. Used to control action dispatch at the next |OnBeginFrame()| call.
   uint32_t outstanding_begin_frame_requests_;
 
   bool is_showing_;
 
   // Window-specific bits that affect widget visibility.
   bool is_window_visible_;
   bool is_window_activity_started_;
@@ skipping 55 matching lines @@
   float prev_bottom_shown_pix_;
 
   base::WeakPtrFactory<RenderWidgetHostViewAndroid> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_