Make it possible to set the display mode from Chromium

content/renderer/resizing_mode_selector.cc

 // Copyright 2013 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/renderer/resizing_mode_selector.h"
 
 #include "content/common/view_messages.h"
 #include "content/renderer/render_thread_impl.h"
 #include "content/renderer/render_widget.h"
 #include "third_party/WebKit/public/platform/WebScreenInfo.h"
 
 namespace content {
 
 ResizingModeSelector::ResizingModeSelector() : is_synchronous_mode_(false) {}
 
 bool ResizingModeSelector::NeverUsesSynchronousResize() const {
   return !RenderThreadImpl::current() ||  // can be NULL when in unit tests
          !RenderThreadImpl::current()->layout_test_mode();
 }
 
 bool ResizingModeSelector::ShouldAbortOnResize(
     RenderWidget* widget,
     const ViewMsg_Resize_Params& params) {
   return is_synchronous_mode_ &&
       params.is_fullscreen == widget->is_fullscreen() &&
+      params.display_mode == widget->display_mode() &&
       params.screen_info.deviceScaleFactor ==
         widget->screenInfo().deviceScaleFactor;
 }
 
 void ResizingModeSelector::set_is_synchronous_mode(bool mode) {
   is_synchronous_mode_ = mode;
 }
 
 bool ResizingModeSelector::is_synchronous_mode() const {
   return is_synchronous_mode_;
 }
 
 }  // namespace content