Reconfigure displays even if the output count didn't change

chrome/browser/ui/webui/options/chromeos/display_options_handler.cc

 // 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 "chrome/browser/ui/webui/options/chromeos/display_options_handler.h"
 
 #include <string>
 
 #include "ash/display/display_controller.h"
 #include "ash/display/display_manager.h"
@@ skipping 162 matching lines @@
     layout_value.reset(new base::FundamentalValue(layout.position));
     offset_value.reset(new base::FundamentalValue(layout.offset));
   }
 
   web_ui()->CallJavascriptFunction(
       "options.DisplayOptions.setDisplayInfo",
       mirroring, display_info, *layout_value.get(), *offset_value.get());
 }
 
 void DisplayOptionsHandler::OnFadeOutForMirroringFinished(bool is_mirroring) {
   // We use 'PRIMARY_ONLY' for non-mirroring state for now.

[sabercrombie, 2013/02/16 00:01:08]

Looks like this comment should be removed.

[oshima, 2013/02/16 01:32:52]

Done.

   // TODO(mukai): fix this and support multiple display modes.
   chromeos::OutputState new_state =
-      is_mirroring ? STATE_DUAL_MIRROR : STATE_DUAL_PRIMARY_ONLY;
+      is_mirroring ? STATE_DUAL_MIRROR : STATE_DUAL_EXTENDED;
   ash::Shell::GetInstance()->output_configurator()->SetDisplayMode(new_state);
   SendAllDisplayInfo();
   // Not necessary to start fade-in animation.  OutputConfigurator will do that.
 }
 
 void DisplayOptionsHandler::OnFadeOutForDisplayLayoutFinished(
     int layout, int offset) {
   const gfx::Display& secondary_display = ash::ScreenAsh::GetSecondaryDisplay();
   if (secondary_display.is_valid())
     SetDisplayLayoutPref(secondary_display, layout, offset);
@@ skipping 52 matching lines @@
   ash::Shell::GetInstance()->output_configurator_animation()->
       StartFadeOutAnimation(base::Bind(
           &DisplayOptionsHandler::OnFadeOutForDisplayLayoutFinished,
           base::Unretained(this),
           static_cast<int>(layout),
           static_cast<int>(offset)));
 }
 
 }  // namespace options
 }  // namespace chromeos