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"
@@ skipping 11 matching lines @@
 class AppListItemModel;
 class AppListModel;
 class SearchResult;
 class SigninDelegate;
 
 class APP_LIST_EXPORT AppListViewDelegate {
  public:
   // AppListView owns the delegate.
   virtual ~AppListViewDelegate() {}
 
-  // Invoked to set the model that AppListView uses.
+  // Sets the delegate to use the profile at |profile_path|.
+  virtual void SetProfileByPath(const base::FilePath& profile_path) = 0;
+
+  // Invoked to initialize the model that AppListView uses. This binds the given
+  // model to this AppListViewDelegate and makes the AppListViewDelegate
+  // responsible for updating the model.
   // Note that AppListView owns the model.
-  virtual void SetModel(AppListModel* model) = 0;
+  virtual void InitModel(AppListModel* model) = 0;

[xiyuan, 2013/09/11 05:01:49]

Would it be better if we make AppListViewDelegate owns the model and having a
GetModel() call here to expose the model to views code?

[calamity, 2013/09/13 18:02:35]

I think this is a design question that needs a bit more discussion and can be
addressed separately from this change.

 
   // Gets the SigninDelegate for the app list. Owned by the AppListViewDelegate.
   virtual SigninDelegate* GetSigninDelegate() = 0;
 
   // Gets a path to a shortcut for the given app. Returns asynchronously as the
   // shortcut may not exist yet.
   virtual void GetShortcutPathForApp(
       const std::string& app_id,
       const base::Callback<void(const base::FilePath&)>& callback) = 0;
 
@@ skipping 29 matching lines @@
   virtual gfx::ImageSkia GetWindowIcon() = 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;
+
+  // Shows the app list for the profile specified by |profile_path|.
+  virtual void ShowForProfileByPath(const base::FilePath& profile_path) = 0;
 };
 
 }  // namespace app_list
 
 #endif  // UI_APP_LIST_APP_LIST_VIEW_DELEGATE_H_