Fix RenderWidgetHostViewMac::SchedulePaintInRect

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 <objc/runtime.h>
 #include <OpenGL/gl.h>
 #include <QuartzCore/QuartzCore.h>
 
@@ skipping 408 matching lines @@
 ui::Layer* RenderWidgetHostViewMac::GetLayer() {
   return root_layer_.get();
 }
 
 RenderWidgetHostImpl* RenderWidgetHostViewMac::GetHost() {
   return render_widget_host_;
 }
 
 void RenderWidgetHostViewMac::SchedulePaintInRect(
     const gfx::Rect& damage_rect_in_dip) {
-  if (browser_compositor_view_)
-    browser_compositor_view_->GetCompositor()->ScheduleFullRedraw();
+  DCHECK(GetLayer());
+  GetLayer()->SchedulePaint(damage_rect_in_dip);
 }
 
 bool RenderWidgetHostViewMac::IsVisible() {
   return !render_widget_host_->is_hidden();
 }
 
 gfx::Size RenderWidgetHostViewMac::DesiredFrameSize() {
   return GetViewBounds().size();
 }
 
@@ skipping 3581 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