Remove MessageLoop::DestructionObserver registration from ConfigurationPolicyLoaderWin

BUG=69193
TEST=No direct test; watch crash reports to see if the crash that's supposed to be fixed by this still occurs.

Review URL: http://codereview.chromium.org/6316003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@71636 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/policy/configuration_policy_loader_win.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -31,13 +31,11 @@ ConfigurationPolicyLoaderWin::ConfigurationPolicyLoaderWin(
 void ConfigurationPolicyLoaderWin::InitOnFileThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   AsynchronousPolicyLoader::InitOnFileThread();
-  MessageLoop::current()->AddDestructionObserver(this);
   SetupWatches();
 }
 
 void ConfigurationPolicyLoaderWin::StopOnFileThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  MessageLoop::current()->RemoveDestructionObserver(this);
   user_policy_watcher_.StopWatching();
   machine_policy_watcher_.StopWatching();
   AsynchronousPolicyLoader::StopOnFileThread();
@@ -81,10 +79,4 @@ void ConfigurationPolicyLoaderWin::OnObjectSignaled(HANDLE object) {
   Reload();
 }
 
-void ConfigurationPolicyLoaderWin::
-    WillDestroyCurrentMessageLoop() {
-  CancelReloadTask();
-  MessageLoop::current()->RemoveDestructionObserver(this);
-}
-
 }  // namespace policy

chrome/browser/policy/configuration_policy_loader_win.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -16,8 +16,7 @@ namespace policy {
 // reload when Group Policy changes.
 class ConfigurationPolicyLoaderWin
     : public AsynchronousPolicyLoader,
-      public base::win::ObjectWatcher::Delegate,
-      public MessageLoop::DestructionObserver {
+      public base::win::ObjectWatcher::Delegate {
  public:
   ConfigurationPolicyLoaderWin(
       AsynchronousPolicyProvider::Delegate* delegate,
@@ -39,9 +38,6 @@ class ConfigurationPolicyLoaderWin
   // ObjectWatcher::Delegate overrides:
   virtual void OnObjectSignaled(HANDLE object);
 
-  // MessageLoop::DestructionObserver overrides:
-  virtual void WillDestroyCurrentMessageLoop();
-
   base::WaitableEvent user_policy_changed_event_;
   base::WaitableEvent machine_policy_changed_event_;
   base::win::ObjectWatcher user_policy_watcher_;