Add DeviceDisplayInfo getter in WindowAndroid.

ui/android/ui_android.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 23 matching lines @@
         'overscroll_glow.h',
         'overscroll_refresh.cc',
         'overscroll_refresh.h',
         'resources/crushed_sprite_resource.cc',
         'resources/crushed_sprite_resource.h',
         'resources/resource_manager.cc',
         'resources/resource_manager.h',
         'resources/resource_manager_impl.cc',
         'resources/resource_manager_impl.h',
         'resources/ui_resource_provider.h',
+        'screen_android.cc',
+        'screen_android.h',
         'ui_android_export.h',
         'ui_android_jni_registrar.cc',
         'ui_android_jni_registrar.h',
         'view_android.h',
         'window_android.cc',
         'window_android.h',
         'window_android_compositor.cc',
         'window_android_compositor.h',
         'window_android_observer.h',
       ],
@@ skipping 186 matching lines @@
             ],
             'sources': [
               'ui_android_unittests_apk.isolate',
             ],
           },
         ]
       }
     ],
   ]
 }