Remove synchronous GetDisplays() and Configure() from NativeDisplayDelegate

ui/display/chromeos/display_configurator.cc

 // Copyright 2014 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 "ui/display/chromeos/display_configurator.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/sys_info.h"
@@ skipping 482 matching lines @@
   if (cached_displays_.empty())
     return;
 
   if (!display_externally_controlled_)
     return;
 
   if (!native_display_delegate_->TakeDisplayControl())
     return;
 
   display_externally_controlled_ = false;
-
-  for (DisplayStateList::const_iterator it = cached_displays_.begin();
-       it != cached_displays_.end(); ++it) {
-    native_display_delegate_->Configure(*(it->display), it->selected_mode,
-                                        it->display->origin());
-  }
+  force_configure_ = true;
+  RunPendingConfiguration();
 }
 
 void DisplayConfigurator::RelinquishControl() {
   if (display_externally_controlled_)
     return;
 
   display_externally_controlled_ = true;
   native_display_delegate_->RelinquishDisplayControl();
 }
 
@@ skipping 436 matching lines @@
   if (success) {
     FOR_EACH_OBSERVER(
         Observer, observers_, OnDisplayModeChanged(cached_displays_));
   } else {
     FOR_EACH_OBSERVER(
         Observer, observers_, OnDisplayModeChangeFailed(attempted_state));
   }
 }
 
 }  // namespace ui