Add IsInternal property to gfx::Display

ash/display/display_controller.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 "ash/display/display_controller.h"
 
 #include <algorithm>
 
 #include "ash/ash_switches.h"
 #include "ash/display/display_manager.h"
@@ skipping 283 matching lines @@
   const gfx::Display* primary_candidate = GetDisplayManager()->GetDisplayAt(0);
 #if defined(OS_CHROMEOS)
   if (base::chromeos::IsRunningOnChromeOS()) {
     internal::DisplayManager* display_manager = GetDisplayManager();
     // On ChromeOS device, root windows are stacked vertically, and
     // default primary is the one on top.
     int count = display_manager->GetNumDisplays();
     int y = primary_candidate->bounds_in_pixel().y();
     for (int i = 1; i < count; ++i) {
       const gfx::Display* display = display_manager->GetDisplayAt(i);
-      if (display_manager->IsInternalDisplayId(display->id())) {
+      if (display->is_internal()) {
         primary_candidate = display;
         break;
       } else if (display->bounds_in_pixel().y() < y) {
         primary_candidate = display;
         y = display->bounds_in_pixel().y();
       }
     }
   }
 #endif
   primary_display_id = primary_candidate->id();
@@ skipping 399 matching lines @@
   secondary_display->set_bounds(
       gfx::Rect(new_secondary_origin, secondary_bounds.size()));
   secondary_display->UpdateWorkAreaFromInsets(insets);
 }
 
 void DisplayController::NotifyDisplayConfigurationChanging() {
   FOR_EACH_OBSERVER(Observer, observers_, OnDisplayConfigurationChanging());
 }
 
 }  // namespace ash