Third patch in getting rid of caching MessageLoop pointers and always using C...

chrome/browser/browser_about_handler.cc

 // Copyright (c) 2009 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/browser_about_handler.h"
 
 #include <string>
 #include <vector>
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/file_version_info.h"
 #include "base/histogram.h"
 #include "base/i18n/number_formatting.h"
 #include "base/path_service.h"
 #include "base/platform_thread.h"
 #include "base/stats_table.h"
 #include "base/string_piece.h"
 #include "base/string_util.h"
 #include "base/thread.h"
 #include "base/tracked_objects.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/dom_ui/chrome_url_data_manager.h"
 #include "chrome/browser/memory_details.h"
 #include "chrome/browser/net/dns_global.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/profile_manager.h"
 #include "chrome/browser/renderer_host/render_process_host.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/sync/auth_error_state.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/common/chrome_paths.h"
@@ skipping 526 matching lines @@
 
 // AboutSource -----------------------------------------------------------------
 
 AboutSource::AboutSource()
     : DataSource(chrome::kAboutScheme, MessageLoop::current()) {
   // This should be a singleton.
   DCHECK(!about_source);
   about_source = this;
 
   // Add us to the global URL handler on the IO thread.
-  g_browser_process->io_thread()->message_loop()->PostTask(FROM_HERE,
-      NewRunnableMethod(Singleton<ChromeURLDataManager>().get(),
+  ChromeThread::PostTask(
+      ChromeThread::IO, FROM_HERE,
+      NewRunnableMethod(
+          Singleton<ChromeURLDataManager>().get(),
           &ChromeURLDataManager::AddDataSource, this));
 }
 
 AboutSource::~AboutSource() {
   about_source = NULL;
 }
 
 void AboutSource::StartDataRequest(const std::string& path_raw,
                                    int request_id) {
   std::string path = path_raw;
@@ skipping 312 matching lines @@
     // Run the dialog. This will re-use the existing one if it's already up.
     AboutIPCDialog::RunDialog();
     return true;
   }
 #endif
 
 #endif  // OFFICIAL_BUILD
 
   return false;
 }