Add profile selector menu to app list.

ui/app_list/app_list_view_delegate.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
 #define UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_
 
 #include "base/callback_forward.h"
 #include "base/strings/string16.h"
 #include "ui/app_list/app_list_export.h"
 
+struct AvatarMenuItemModel;
+
 namespace base {
 class FilePath;
 }
 
 namespace gfx {
 class ImageSkia;
 }
 
 namespace app_list {
 
@@ skipping 61 matching lines @@
   virtual base::string16 GetCurrentUserEmail() = 0;
 
   // Open the settings UI.
   virtual void OpenSettings() = 0;
 
   // Open the help UI.
   virtual void OpenHelp() = 0;
 
   // Open the feedback UI.
   virtual void OpenFeedback() = 0;
+
+  // Returns a vector of |AvatarMenuItemModel|s reflecting the current available
+  // profiles.
+  virtual std::vector<AvatarMenuItemModel> GetAvatarMenuItems() = 0;
+
+  // Shows the app list for the profile specified by |index|.
+  virtual void ShowForProfileAtIndex(size_t index) = 0;
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_