Add hooks for flushing input from BeginFrame dispatch on Aura

content/browser/renderer_host/render_widget_host_view_aura.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_AURA_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 153 matching lines @@
   gfx::Rect GetBoundsInRootWindow() override;
   void WheelEventAck(const blink::WebMouseWheelEvent& event,
                      InputEventAckState ack_result) override;
   void GestureEventAck(const blink::WebGestureEvent& event,
                        InputEventAckState ack_result) override;
   void ProcessAckedTouchEvent(const TouchEventWithLatencyInfo& touch,
                               InputEventAckState ack_result) override;
   scoped_ptr<SyntheticGestureTarget> CreateSyntheticGestureTarget() override;
   InputEventAckState FilterInputEvent(
       const blink::WebInputEvent& input_event) override;
+  void OnSetNeedsFlushInput() override;
   BrowserAccessibilityManager* CreateBrowserAccessibilityManager(
       BrowserAccessibilityDelegate* delegate) override;
   gfx::AcceleratedWidget AccessibilityGetAcceleratedWidget() override;
   gfx::NativeViewAccessible AccessibilityGetNativeViewAccessible() override;
   void ShowDisambiguationPopup(const gfx::Rect& rect_pixels,
                                const SkBitmap& zoomed_bitmap) override;
   bool LockMouse() override;
   void UnlockMouse() override;
   void OnSwapCompositorFrame(uint32 output_surface_id,
                              scoped_ptr<cc::CompositorFrame> frame) override;
@@ skipping 279 matching lines @@
 
   // Converts |rect| from screen coordinate to window coordinate.
   gfx::Rect ConvertRectFromScreen(const gfx::Rect& rect) const;
 
   // Helper function to set keyboard focus to the main window.
   void SetKeyboardFocus();
 
   // Called when RenderWidget wants to start BeginFrame scheduling or stop.
   void OnSetNeedsBeginFrames(bool needs_begin_frames);
 
+  enum VSyncRequestType {
+    FLUSH_INPUT = 1 << 0,
+    PERSISTENT_BEGIN_FRAME = 1 << 1
+  };
+  void RequestVSyncUpdate(uint32 requests);
+
   RenderFrameHostImpl* GetFocusedFrame();
 
   // Returns true if the |event| passed in can be forwarded to the renderer.
   bool CanRendererHandleEvent(const ui::MouseEvent* event,
                               bool mouse_locked,
                               bool selection_popup);
 
   // Called when the parent window bounds change.
   void HandleParentBoundsChanged();
 
@@ skipping 169 matching lines @@
   // RenderWidgetHostViewGuest.
   bool is_guest_view_hack_;
 
   gfx::Rect disambiguation_target_rect_;
 
   // The last scroll offset when we start to render the link disambiguation
   // view, so we can ensure the window hasn't moved between copying from the
   // compositing surface and showing the disambiguation popup.
   gfx::Vector2dF disambiguation_scroll_offset_;
 
-  BeginFrameObserverProxy begin_frame_observer_proxy_;
+  // Valid only when thekEnableBeginFrameScheduling
+  scoped_ptr<BeginFrameObserverProxy> begin_frame_observer_proxy_;
 
   // This flag when set ensures that we send over a notification to blink that
   // the current view has focus. Defaults to false.
   bool set_focus_on_mouse_down_;
 
   base::WeakPtrFactory<RenderWidgetHostViewAura> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAura);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_AURA_H_