Make WebView work for external displays (over Presentations).

ui/gfx/gfx.gyp

Index: ui/gfx/gfx.gyp
diff --git a/ui/gfx/gfx.gyp b/ui/gfx/gfx.gyp
index 4a329b9a9afadaa96ed8ce252d91785cfd9e977f..7badfa38d1c16fe1cc919af5352ba95b962d98f7 100644
--- a/ui/gfx/gfx.gyp
+++ b/ui/gfx/gfx.gyp
@@ -103,8 +103,6 @@
         'android/gfx_jni_registrar.h',
         'android/java_bitmap.cc',
         'android/java_bitmap.h',
-        'android/shared_device_display_info.cc',
-        'android/shared_device_display_info.h',
         'android/view_configuration.cc',
         'android/view_configuration.h',
         'animation/animation.cc',
@@ -259,7 +257,6 @@
         'scoped_ui_graphics_push_context_ios.mm',
         'screen.cc',
         'screen.h',
-        'screen_android.cc',
         'screen_aura.cc',
         'screen_ios.mm',
         'screen_mac.mm',
@@ -390,11 +387,6 @@
             'path.cc',
           ],
         }],
-        ['OS=="android" and use_aura==1', {
-          'sources!': [
-            'screen_android.cc',
-          ],
-        }],
         ['OS=="android" or OS=="ios"', {
           'sources!': [
             'harfbuzz_font_skia.cc',