[DevTools] Pass inspected page bounds from frontend.

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 <QuartzCore/QuartzCore.h>
 
 #include "base/basictypes.h"
@@ skipping 2357 matching lines @@
                                                  pending_swap_ack_->gpu_host_id,
                                                  ack_params);
   pending_swap_ack_.reset();
   TRACE_COUNTER_ID1("browser", "PendingSwapAck", this, 0);
 }
 
 void RenderWidgetHostViewMac::PauseForPendingResizeOrRepaintsAndDraw() {
   if (!render_widget_host_ || render_widget_host_->is_hidden())
     return;
 
-  // Pausing for the overlay view prevents the underlay from receiving
-  // frames. This may lead to large delays, causing overlaps. If both
-  // overlay and underlay resize at the same time, let them both to have
-  // some time waiting. See crbug.com/352020.
-  if (underlay_view_ &&
-      underlay_view_->render_widget_host_ &&
-      !underlay_view_->render_widget_host_->
-          CanPauseForPendingResizeOrRepaints())
+  // Pausing for the overlay/underlay view prevents the other one from receiving
+  // frames. This may lead to large delays, causing overlaps.
+  // See crbug.com/352020.
+  if (underlay_view_ || overlay_view_)
     return;
 
   // Ensure that all frames are acked before waiting for a frame to come in.
   // Note that we will draw a frame at the end of this function, so it is safe
   // to ack a never-drawn frame here.
   SendPendingSwapAck();
 
   // Wait for a frame of the right size to come in.
   render_widget_host_->PauseForPendingResizeOrRepaints();
 
@@ skipping 2033 matching lines @@
 }
 
 - (void)disableRendering {
   // Disable the fade-out animation as the layer is removed.
   ScopedCAActionDisabler disabler;
   [self removeFromSuperlayer];
   renderWidgetHostView_ = nil;
 }
 
 @end  // implementation SoftwareLayer