Index: ui/gfx/screen_ios.mm |
diff --git a/ui/gfx/screen_ios.mm b/ui/gfx/screen_ios.mm |
index d1572af3e9ff823047416aab1831ede991ae5fa7..dfb0d1b62bb63f97bf5dcee2206c56616c8cbe54 100644 |
--- a/ui/gfx/screen_ios.mm |
+++ b/ui/gfx/screen_ios.mm |
@@ -63,6 +63,14 @@ class ScreenIos : public gfx::Screen { |
display.set_device_scale_factor([mainScreen scale]); |
return display; |
} |
+ |
+ virtual void AddObserver(gfx::DisplayObserver* observer) OVERRIDE { |
+ // no display change on iOS. |
+ } |
+ |
+ virtual void RemoveObserver(gfx::DisplayObserver* observer) OVERRIDE { |
+ // no display change on iOS. |
+ } |
}; |
} // namespace |