Cosmetic cleanups in chrome/browser/policy/

chrome/browser/policy/asynchronous_policy_loader.h

 // 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.
 
 #ifndef CHROME_BROWSER_POLICY_ASYNCHRONOUS_POLICY_LOADER_H_
 #define CHROME_BROWSER_POLICY_ASYNCHRONOUS_POLICY_LOADER_H_
 #pragma once
 
 #include "base/memory/ref_counted.h"
-#include "base/message_loop.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
+#include "base/time.h"
 #include "base/values.h"
 #include "chrome/browser/policy/asynchronous_policy_provider.h"
 #include "chrome/browser/policy/configuration_policy_provider.h"
 
+class CancelableTask;
+class MessageLoop;
+
 namespace policy {
 
 // Used by the implementation of asynchronous policy provider to manage the
 // tasks on the file thread that do the heavy lifting of loading policies.
 class AsynchronousPolicyLoader
     : public base::RefCountedThreadSafe<AsynchronousPolicyLoader> {
  public:
-  explicit AsynchronousPolicyLoader(
-      AsynchronousPolicyProvider::Delegate* delegate,
-      int reload_interval_minutes);
+  AsynchronousPolicyLoader(AsynchronousPolicyProvider::Delegate* delegate,
+                           int reload_interval_minutes);
 
   // Triggers initial policy load.
   virtual void Init();
 
   // Reloads policy, sending notification of changes if necessary. Must be
   // called on the file thread.
   virtual void Reload();
 
   // Stops any pending reload tasks.
   virtual void Stop();
@@ skipping 73 matching lines @@
   bool stopped_;
 
   ObserverList<ConfigurationPolicyProvider::Observer, true> observer_list_;
 
   DISALLOW_COPY_AND_ASSIGN(AsynchronousPolicyLoader);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_ASYNCHRONOUS_POLICY_LOADER_H_