Move ash/system/web_notification message_center to ui/

ash/system/tray/system_tray.h

Index: ash/system/tray/system_tray.h
diff --git a/ash/system/tray/system_tray.h b/ash/system/tray/system_tray.h
index d78a13523fc2db460f11d868f63f69b5187cb296..9cd7969459ca4e541fbe2aa7a59b9941deb3cbd2 100644
--- a/ash/system/tray/system_tray.h
+++ b/ash/system/tray/system_tray.h
@@ -9,13 +9,13 @@
 #include "ash/system/power/power_supply_status.h"
 #include "ash/system/tray/system_tray_bubble.h"
 #include "ash/system/tray/tray_background_view.h"
-#include "ash/system/tray/tray_bubble_view.h"
 #include "ash/system/tray/tray_views.h"
 #include "ash/system/user/login_status.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
+#include "ui/views/bubble/tray_bubble_view.h"
 #include "ui/views/view.h"
 
 #include <map>
@@ -55,7 +55,7 @@ enum BubbleCreationType {
 };
 
 class ASH_EXPORT SystemTray : public internal::TrayBackgroundView,
-                              public message_center::TrayBubbleView::Delegate {
+                              public views::TrayBubbleView::Delegate {
  public:
   explicit SystemTray(internal::StatusAreaWidget* status_area_widget);
   virtual ~SystemTray();
@@ -176,7 +176,7 @@ class ASH_EXPORT SystemTray : public internal::TrayBackgroundView,
   virtual void AnchorUpdated() OVERRIDE;
   virtual string16 GetAccessibleNameForTray() OVERRIDE;
   virtual void HideBubbleWithView(
-      const message_center::TrayBubbleView* bubble_view) OVERRIDE;
+      const views::TrayBubbleView* bubble_view) OVERRIDE;
   virtual bool ClickedOutsideBubble() OVERRIDE;
 
   // Overridden from message_center::TrayBubbleView::Delegate.
@@ -187,8 +187,7 @@ class ASH_EXPORT SystemTray : public internal::TrayBackgroundView,
   virtual gfx::Rect GetAnchorRect(views::Widget* anchor_widget,
                                   AnchorType anchor_type,
                                   AnchorAlignment anchor_alignment) OVERRIDE;
-  virtual void HideBubble(
-      const message_center::TrayBubbleView* bubble_view) OVERRIDE;
+  virtual void HideBubble(const views::TrayBubbleView* bubble_view) OVERRIDE;
 
  private:
   // Returns true if the system_bubble_ exists and is of type |type|.