Add a button to exit managed mode.

chrome/browser/ui/views/avatar_menu_button.h

Index: chrome/browser/ui/views/avatar_menu_button.h
diff --git a/chrome/browser/ui/views/avatar_menu_button.h b/chrome/browser/ui/views/avatar_menu_button.h
index 6edc79a607192b0c1ae861bd39f3c999359f19c4..dbd8ffe42cb35f267ebb4334e6574f7e8e083013 100644
--- a/chrome/browser/ui/views/avatar_menu_button.h
+++ b/chrome/browser/ui/views/avatar_menu_button.h
@@ -32,9 +32,9 @@ void DrawTaskBarDecoration(gfx::NativeWindow window, const gfx::Image* image);
 class AvatarMenuButton : public views::MenuButton,
                          public views::MenuButtonListener {
  public:
-  // Creates a new button. If |has_menu| is true then clicking on the button
-  // will cause the profile menu to be displayed.
-  AvatarMenuButton(Browser* browser, bool has_menu);
+  // Creates a new button. If |incognito| is true and we're not in managed mode,
+  // clicking on the button will cause the profile menu to be displayed.
+  AvatarMenuButton(Browser* browser, bool incognito);
 
   virtual ~AvatarMenuButton();
 
@@ -52,8 +52,10 @@ class AvatarMenuButton : public views::MenuButton,
   virtual void OnMenuButtonClicked(views::View* source,
                                    const gfx::Point& point) OVERRIDE;
 
+  void ButtonClicked();
+
   Browser* browser_;
-  bool has_menu_;
+  bool incognito_;
   scoped_ptr<ui::MenuModel> menu_model_;
 
   // Use a scoped ptr because gfx::Image doesn't have a default constructor.