Move OmahaQueryParams to a component and add a delegate interface.

apps/shell/browser/shell_browser_main_parts.h

 // Copyright 2013 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 APPS_SHELL_BROWSER_SHELL_BROWSER_MAIN_PARTS_H_
 #define APPS_SHELL_BROWSER_SHELL_BROWSER_MAIN_PARTS_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/browser/browser_main_parts.h"
 #include "content/public/common/main_function_params.h"
 #include "ui/aura/window_tree_host_observer.h"
 
 namespace content {
-class ShellBrowserContext;
 class ShellDevToolsDelegate;
 struct MainFunctionParams;
 }
 
 namespace extensions {
 class ShellExtensionsBrowserClient;
 class ShellExtensionSystem;
+class ShellOmahaQueryParamsDelegate;
 }
 
 namespace views {
 class Widget;
 }
 
 namespace net {
 class NetLog;
 }
 
@@ skipping 39 matching lines @@
 
 #if defined(OS_CHROMEOS)
   scoped_ptr<ShellNetworkController> network_controller_;
 #endif
   scoped_ptr<ShellDesktopController> desktop_controller_;
   scoped_ptr<ShellBrowserContext> browser_context_;
   scoped_ptr<ShellExtensionsClient> extensions_client_;
   scoped_ptr<extensions::ShellExtensionsBrowserClient>
       extensions_browser_client_;
   scoped_ptr<net::NetLog> net_log_;
-
   scoped_ptr<content::ShellDevToolsDelegate> devtools_delegate_;
+  scoped_ptr<extensions::ShellOmahaQueryParamsDelegate>
+      omaha_query_params_delegate_;
 
   // Owned by the KeyedService system.
   extensions::ShellExtensionSystem* extension_system_;
 
   // For running app browsertests.
   const content::MainFunctionParams parameters_;
 
   // If true, indicates the main message loop should be run
   // in MainMessageLoopRun. If false, it has already been run.
   bool run_message_loop_;
 
   scoped_ptr<ShellBrowserMainDelegate> browser_main_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellBrowserMainParts);
 };
 
 }  // namespace apps
 
 #endif  // APPS_SHELL_BROWSER_SHELL_BROWSER_MAIN_PARTS_H_