input: Remove dead code.

content/browser/renderer_host/render_widget_host_view_mac.mm

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #import <Carbon/Carbon.h>
 #import <objc/runtime.h>
 #include <OpenGL/gl.h>
 #include <QuartzCore/QuartzCore.h>
@@ skipping 383 matching lines @@
   // may not match the page's, so use black as the gutter color to avoid
   // flashes of brighter colors during the transition.
   if (render_widget_host_->delegate() &&
       render_widget_host_->delegate()->IsFullscreenForCurrentTab()) {
     return SK_ColorBLACK;
   }
   return color;
 }
 
 void RenderWidgetHostViewMac::BrowserCompositorMacOnBeginFrame() {
-  needs_flush_input_ = false;
-  render_widget_host_->OnBeginFrame();
   UpdateNeedsBeginFramesInternal();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // AcceleratedWidgetMacNSView, public:
 
 NSView* RenderWidgetHostViewMac::AcceleratedWidgetGetNSView() const {
   return cocoa_view_;
 }
 
@@ skipping 22 matching lines @@
 
 RenderWidgetHostViewMac::RenderWidgetHostViewMac(RenderWidgetHost* widget,
                                                  bool is_guest_view_hack)
     : render_widget_host_(RenderWidgetHostImpl::From(widget)),
       page_at_minimum_scale_(true),
       mouse_wheel_phase_handler_(RenderWidgetHostImpl::From(widget), this),
       is_loading_(false),
       allow_pause_for_resize_or_repaint_(true),
       is_guest_view_hack_(is_guest_view_hack),
       fullscreen_parent_host_view_(nullptr),
-      needs_flush_input_(false),
       weak_factory_(this) {
   // |cocoa_view_| owns us and we will be deleted when |cocoa_view_|
   // goes away.  Since we autorelease it, our caller must put
   // |GetNativeView()| into the view hierarchy right after calling us.
   cocoa_view_ = [[[RenderWidgetHostViewCocoa alloc]
                   initWithRenderWidgetHostViewMac:this] autorelease];
 
   background_layer_.reset([[CALayer alloc] init]);
   [cocoa_view_ setLayer:background_layer_];
   [cocoa_view_ setWantsLayer:YES];
@@ skipping 745 matching lines @@
     [cocoa_view_ setToolTipAtMousePoint:nil];
     tooltip_text_.clear();
   }
 }
 
 void RenderWidgetHostViewMac::SetNeedsBeginFrames(bool needs_begin_frames) {
   needs_begin_frames_ = needs_begin_frames;
   UpdateNeedsBeginFramesInternal();
 }
 
-void RenderWidgetHostViewMac::OnSetNeedsFlushInput() {
-  needs_flush_input_ = true;
-  UpdateNeedsBeginFramesInternal();
-}
-
 void RenderWidgetHostViewMac::UpdateNeedsBeginFramesInternal() {
-  browser_compositor_->SetNeedsBeginFrames(needs_begin_frames_ ||
-                                           needs_flush_input_);
+  browser_compositor_->SetNeedsBeginFrames(needs_begin_frames_);
 }
 
 void RenderWidgetHostViewMac::KillSelf() {
   if (!weak_factory_.HasWeakPtrs()) {
     [cocoa_view_ setHidden:YES];
     base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE, base::Bind(&RenderWidgetHostViewMac::ShutdownHost,
                               weak_factory_.GetWeakPtr()));
   }
 }
@@ skipping 2305 matching lines @@
 
 // "-webkit-app-region: drag | no-drag" is implemented on Mac by excluding
 // regions that are not draggable. (See ControlRegionView in
 // native_app_window_cocoa.mm). This requires the render host view to be
 // draggable by default.
 - (BOOL)mouseDownCanMoveWindow {
   return YES;
 }
 
 @end