Settings People Revamp: Update ManageProfileHandler to use Promises.

chrome/browser/ui/webui/settings/settings_manage_profile_handler.h

 // Copyright 2015 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 CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_MANAGE_PROFILE_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_MANAGE_PROFILE_HANDLER_H_
 
 #include <string>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 23 matching lines @@
   void OnProfileAvatarChanged(const base::FilePath& profile_path) override;
 
  private:
   FRIEND_TEST_ALL_PREFIXES(ManageProfileHandlerTest, SetProfileIconAndName);
   FRIEND_TEST_ALL_PREFIXES(ManageProfileHandlerTest, GetAvailableIcons);
 
   // Callback for the "getAvailableIcons" message.
   // Sends the array of default profile icon URLs and profile names to WebUI.
   void HandleGetAvailableIcons(const base::ListValue* args);
 
-  // Send all the available profile icons to choose from.
-  void SendAvailableIcons();
+  // Get all the available profile icons to choose from.
+  scoped_ptr<base::ListValue> GetAvailableIcons();
 
   // Callback for the "setProfileIconAndName" message. Sets the name and icon
   // of a given profile.
   // |args| is of the form: [
   //   /*string*/ newProfileIconURL
   //   /*string*/ newProfileName,
   // ]
   void HandleSetProfileIconAndName(const base::ListValue* args);
 
   // Callback for the "requestHasProfileShortcuts" message, which is called
@@ skipping 27 matching lines @@
 
   // For generating weak pointers to itself for callbacks.
   base::WeakPtrFactory<ManageProfileHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ManageProfileHandler);
 };
 
 }  // namespace settings
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_MANAGE_PROFILE_HANDLER_H_