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

chrome/browser/worker_host/worker_process_host.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/worker_host/worker_process_host.h"
 
 #include <set>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/debug_util.h"
 #if defined(OS_POSIX)
 #include "base/global_descriptors_posix.h"
 #endif
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/process_util.h"
 #include "base/string_util.h"
-#include "chrome/browser/browser_process.h"
+#include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/child_process_security_policy.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/renderer_host/render_view_host_delegate.h"
 #include "chrome/browser/renderer_host/resource_message_filter.h"
 #include "chrome/browser/worker_host/message_port_dispatcher.h"
 #include "chrome/browser/worker_host/worker_service.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/debug_flags.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/process_watcher.h"
@@ skipping 40 matching lines @@
 }
 
 WorkerProcessHost::~WorkerProcessHost() {
   // Let interested observers know we are being deleted.
   NotificationService::current()->Notify(
       NotificationType::WORKER_PROCESS_HOST_SHUTDOWN,
       Source<WorkerProcessHost>(this),
       NotificationService::NoDetails());
 
   // If we crashed, tell the RenderViewHost.
-  MessageLoop* ui_loop = WorkerService::GetInstance()->ui_loop();
   for (Instances::iterator i = instances_.begin(); i != instances_.end(); ++i) {
-    ui_loop->PostTask(FROM_HERE, new WorkerCrashTask(
-        i->renderer_id, i->render_view_route_id));
+    ChromeThread::PostTask(
+        ChromeThread::UI, FROM_HERE,
+        new WorkerCrashTask(i->renderer_id, i->render_view_route_id));
   }
 
   ChildProcessSecurityPolicy::GetInstance()->Remove(id());
 }
 
 bool WorkerProcessHost::Init() {
   if (!CreateChannel())
     return false;
 
   FilePath exe_path = GetChildPath();
@@ skipping 237 matching lines @@
       instances_.front().render_view_route_id, this, id(), *route_id);
 }
 
 void WorkerProcessHost::OnCancelCreateDedicatedWorker(int route_id) {
   WorkerService::GetInstance()->CancelCreateDedicatedWorker(id(), route_id);
 }
 
 void WorkerProcessHost::OnForwardToWorker(const IPC::Message& message) {
   WorkerService::GetInstance()->ForwardMessage(message, id());
 }