Start splitting out WebUI into an implementation class and an interface that each page implements...

chrome/browser/ui/webui/chromeos/system_info_ui.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/ui/webui/chromeos/system_info_ui.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop.h"
@@ skipping 154 matching lines @@
 void SystemInfoHandler::RegisterMessages() {
   // TODO(stevenjb): add message registration, callbacks...
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 //
 // SystemInfoUI
 //
 ////////////////////////////////////////////////////////////////////////////////
 
-SystemInfoUI::SystemInfoUI(WebContents* contents) : WebUI(contents) {
+SystemInfoUI::SystemInfoUI(WebContents* contents) : WebUI(contents, this) {
   SystemInfoHandler* handler = new SystemInfoHandler();
   AddMessageHandler(handler);
   SystemInfoUIHTMLSource* html_source = new SystemInfoUIHTMLSource();
 
   // Set up the chrome://system/ source.
   Profile* profile = Profile::FromBrowserContext(contents->GetBrowserContext());
   profile->GetChromeURLDataManager()->AddDataSource(html_source);
 }