Fix namespace for src/ui/display/.

ash/display/display_animator_chromeos.h

Index: ash/display/display_animator_chromeos.h
diff --git a/ash/display/display_animator_chromeos.h b/ash/display/display_animator_chromeos.h
index 097aa80999b8963c946f347008aacb3244fdf1a5..333d03d6565547676a49afef9668343aa5c3b9c4 100644
--- a/ash/display/display_animator_chromeos.h
+++ b/ash/display/display_animator_chromeos.h
@@ -27,11 +27,11 @@ class Layer;
 namespace ash {
 
 // DisplayAnimatorChromeOS provides the visual effects for
-// ui::DisplayConfigurator, such like fade-out/in during changing
+// display::DisplayConfigurator, such like fade-out/in during changing
 // the display mode.
 class ASH_EXPORT DisplayAnimatorChromeOS
     : public DisplayAnimator,
-      public ui::DisplayConfigurator::Observer {
+      public display::DisplayConfigurator::Observer {
  public:
   DisplayAnimatorChromeOS();
   ~DisplayAnimatorChromeOS() override;
@@ -41,12 +41,12 @@ class ASH_EXPORT DisplayAnimatorChromeOS
   void StartFadeInAnimation() override;
 
  protected:
-  // ui::DisplayConfigurator::Observer overrides:
+  // display::DisplayConfigurator::Observer overrides:
   void OnDisplayModeChanged(
-      const ui::DisplayConfigurator::DisplayStateList& outputs) override;
+      const display::DisplayConfigurator::DisplayStateList& outputs) override;
   void OnDisplayModeChangeFailed(
-      const ui::DisplayConfigurator::DisplayStateList& displays,
-      ui::MultipleDisplayState failed_new_state) override;
+      const display::DisplayConfigurator::DisplayStateList& displays,
+      display::MultipleDisplayState failed_new_state) override;
 
  private:
   // Clears all hiding layers.  Note that in case that this method is called