Prefix string16 with base:: in ui/.

ui/views/controls/menu/menu_delegate.h

Index: ui/views/controls/menu/menu_delegate.h
diff --git a/ui/views/controls/menu/menu_delegate.h b/ui/views/controls/menu/menu_delegate.h
index f171d570b7e3d265f65e673eddc1298b488a166e..97ce1851954e2e688cf6156b5f79e94b6344879f 100644
--- a/ui/views/controls/menu/menu_delegate.h
+++ b/ui/views/controls/menu/menu_delegate.h
@@ -61,7 +61,7 @@ class VIEWS_EXPORT MenuDelegate {
 
   // The string shown for the menu item. This is only invoked when an item is
   // added with an empty label.
-  virtual string16 GetLabel(int id) const;
+  virtual base::string16 GetLabel(int id) const;
 
   // The font for the menu item label.
   virtual const gfx::Font* GetLabelFont(int id) const;
@@ -82,7 +82,8 @@ class VIEWS_EXPORT MenuDelegate {
 
   // The tooltip shown for the menu item. This is invoked when the user
   // hovers over the item, and no tooltip text has been set for that item.
-  virtual string16 GetTooltipText(int id, const gfx::Point& screen_loc) const;
+  virtual base::string16 GetTooltipText(int id,
+                                        const gfx::Point& screen_loc) const;
 
   // If there is an accelerator for the menu item with id |id| it is set in
   // |accelerator| and true is returned.
@@ -104,7 +105,7 @@ class VIEWS_EXPORT MenuDelegate {
   // Controller
   virtual bool SupportsCommand(int id) const;
   virtual bool IsCommandEnabled(int id) const;
-  virtual bool GetContextualLabel(int id, string16* out) const;
+  virtual bool GetContextualLabel(int id, base::string16* out) const;
   virtual void ExecuteCommand(int id) {
   }