Changed ChromeURLDataManager to a ProfileKeyedService and made a Factory for it.

chrome/browser/extensions/extension_system.cc

 // 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.
 
 #include "chrome/browser/extensions/extension_system.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/string_tokenizer.h"
@@ skipping 134 matching lines @@
                                                      FILE_PATH_LITERAL(","));
       scoped_refptr<extensions::UnpackedInstaller> installer =
           extensions::UnpackedInstaller::Create(extension_service_.get());
       while (t.GetNext()) {
         installer->LoadFromCommandLine(FilePath(t.token()));
       }
     }
   }
 
   // Make the chrome://extension-icon/ resource available.
-  profile_->GetChromeURLDataManager()->AddDataSource(
+  ChromeURLDataManager::AddDataSource(profile_,
       new ExtensionIconSource(profile_));
 
   // Initialize extension event routers. Note that on Chrome OS, this will
   // not succeed if the user has not logged in yet, in which case the
   // event routers are initialized in LoginUtilsImpl::CompleteLogin instead.
   // The InitEventRouters call used to be in BrowserMain, because when bookmark
   // import happened on first run, the bookmark bar was not being correctly
   // initialized (see issue 40144). Now that bookmarks aren't imported and
   // the event routers need to be initialized for every profile individually,
   // initialize them with the extension service.
@@ skipping 147 matching lines @@
 }
 
 void ExtensionSystemImpl::UnregisterExtensionWithRequestContexts(
     const std::string& extension_id,
     const extension_misc::UnloadedExtensionReason reason) {
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&ExtensionInfoMap::RemoveExtension, info_map(),
                  extension_id, reason));
 }