input: Remove dead code.

content/browser/renderer_host/render_widget_host_view_mac.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_MAC_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 #include <IOSurface/IOSurface.h>
 #include <stddef.h>
@@ skipping 305 matching lines @@
   BrowserAccessibilityManager* CreateBrowserAccessibilityManager(
       BrowserAccessibilityDelegate* delegate, bool for_root_frame) override;
   gfx::Point AccessibilityOriginInScreen(const gfx::Rect& bounds) override;
   gfx::AcceleratedWidget AccessibilityGetAcceleratedWidget() override;
 
   bool HasAcceleratedSurface(const gfx::Size& desired_size) override;
   gfx::Rect GetBoundsInRootWindow() override;
 
   bool LockMouse() override;
   void UnlockMouse() override;
-  void OnSetNeedsFlushInput() override;
   void GestureEventAck(const blink::WebGestureEvent& event,
                        InputEventAckState ack_result) override;
 
   std::unique_ptr<SyntheticGestureTarget> CreateSyntheticGestureTarget()
       override;
 
   cc::FrameSinkId GetFrameSinkId() override;
   cc::FrameSinkId FrameSinkIdAtPoint(cc::SurfaceHittestDelegate* delegate,
                                      const gfx::Point& point,
                                      gfx::Point* transformed_point) override;
@@ skipping 224 matching lines @@
   scoped_refptr<ui::DisplayLinkMac> display_link_;
 
   // The current VSync timebase and interval. This is zero until the first call
   // to SendVSyncParametersToRenderer(), and refreshed regularly thereafter.
   base::TimeTicks vsync_timebase_;
   base::TimeDelta vsync_interval_;
 
   // Whether a request for begin frames has been issued.
   bool needs_begin_frames_;
 
-  // Whether a request to flush input has been issued.
-  bool needs_flush_input_;
-
   // The background color of the web content. This color will be drawn when the
   // web content is not able to draw in time.
   SkColor background_color_ = SK_ColorTRANSPARENT;
   SkColor last_frame_root_background_color_ = SK_ColorTRANSPARENT;
 
   // Factory used to safely scope delayed calls to ShutdownHost().
   base::WeakPtrFactory<RenderWidgetHostViewMac> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewMac);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_