Add IsInternal property to gfx::Display

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

Index: chrome/browser/ui/webui/options/chromeos/display_options_handler.cc
diff --git a/chrome/browser/ui/webui/options/chromeos/display_options_handler.cc b/chrome/browser/ui/webui/options/chromeos/display_options_handler.cc
index 7fcbc34126c8d1b62c10deac650392dc2b3812f9..1ec056dcf7eb972679c167d1bd46b92e07d67924 100644
--- a/chrome/browser/ui/webui/options/chromeos/display_options_handler.cc
+++ b/chrome/browser/ui/webui/options/chromeos/display_options_handler.cc
@@ -159,8 +159,7 @@ void DisplayOptionsHandler::SendDisplayInfo(
     js_display->SetString("name",
                           display_manager->GetDisplayNameFor(*display));
     js_display->SetBoolean("isPrimary", display->id() == primary_id);
-    js_display->SetBoolean("isInternal",
-                           display_manager->IsInternalDisplayId(display->id()));
+    js_display->SetBoolean("isInternal", display->IsInternal());
     display_info.Set(i, js_display);
   }