Cosmetic cleanups in chrome/browser/policy/

chrome/browser/policy/asynchronous_policy_loader.h

Index: chrome/browser/policy/asynchronous_policy_loader.h
diff --git a/chrome/browser/policy/asynchronous_policy_loader.h b/chrome/browser/policy/asynchronous_policy_loader.h
index fff0c8c573661bf6737f0746458c6269bfc18def..1458d8232a37309d5f835406947ecf44637809b5 100644
--- a/chrome/browser/policy/asynchronous_policy_loader.h
+++ b/chrome/browser/policy/asynchronous_policy_loader.h
@@ -7,12 +7,16 @@
 #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
@@ -20,9 +24,8 @@ namespace policy {
 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();