Fix namespace for src/ui/display/.

ui/display/types/display_mode.h

Index: ui/display/types/display_mode.h
diff --git a/ui/display/types/display_mode.h b/ui/display/types/display_mode.h
index 53fc0adb3c2117d34b5b120c8fa85aadda654583..0b972d5f497a8288007c0d154c74ca982964f31f 100644
--- a/ui/display/types/display_mode.h
+++ b/ui/display/types/display_mode.h
@@ -13,7 +13,7 @@
 #include "ui/display/types/display_types_export.h"
 #include "ui/gfx/geometry/size.h"
 
-namespace ui {
+namespace display {
 
 // This class represents the basic information for a native mode. Platforms will
 // extend this class to add platform specific information about the mode.
@@ -40,6 +40,6 @@ class DISPLAY_TYPES_EXPORT DisplayMode {
 // Used to by gtest to print readable errors.
 DISPLAY_TYPES_EXPORT void PrintTo(const DisplayMode& mode, std::ostream* os);
 
-}  // namespace ui
+}  // namespace display
 
 #endif  // UI_DISPLAY_TYPES_DISPLAY_MODE_H_