Add profile selector menu to app list.

ui/app_list/views/app_list_view.h

Index: ui/app_list/views/app_list_view.h
diff --git a/ui/app_list/views/app_list_view.h b/ui/app_list/views/app_list_view.h
index 53d08a40dd7c08bea30d3111270834603f8f859c..17938f6c562926ab48649b257a543f6637688ec1 100644
--- a/ui/app_list/views/app_list_view.h
+++ b/ui/app_list/views/app_list_view.h
@@ -12,6 +12,10 @@
 #include "ui/app_list/app_list_model_observer.h"
 #include "ui/views/bubble/bubble_delegate.h"
 
+namespace base {
+class FilePath;
+}
+
 namespace views {
 class Widget;
 }
@@ -78,6 +82,8 @@ class APP_LIST_EXPORT AppListView : public views::BubbleDelegateView,
   // Invoked when the sign-in status is changed to switch on/off sign-in view.
   void OnSigninStatusChanged();
 
+  void SetProfileByPath(const base::FilePath& profile_path);
+
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
@@ -108,7 +114,7 @@ class APP_LIST_EXPORT AppListView : public views::BubbleDelegateView,
 
   // Overridden from AppListModelObserver:
   virtual void OnAppListModelSigninStatusChanged() OVERRIDE;
-  virtual void OnAppListModelCurrentUserChanged() OVERRIDE;
+  virtual void OnAppListModelUsersChanged() OVERRIDE;
 
   SigninDelegate* GetSigninDelegate();