Cosmetic cleanups in chrome/browser/policy/

chrome/browser/policy/device_management_service.h

Index: chrome/browser/policy/device_management_service.h
diff --git a/chrome/browser/policy/device_management_service.h b/chrome/browser/policy/device_management_service.h
index d2c512254c2984a0c8cd8260c73e949d3dae90cd..63bfeee1fa2c51b2dfdbb3cb3fb70beb2fda432a 100644
--- a/chrome/browser/policy/device_management_service.h
+++ b/chrome/browser/policy/device_management_service.h
@@ -11,19 +11,18 @@
 #include <string>
 
 #include "base/basictypes.h"
-#include "chrome/browser/policy/device_management_backend.h"
+#include "base/memory/ref_counted.h"
+#include "base/task.h"
 #include "content/common/net/url_fetcher.h"
 #include "googleurl/src/gurl.h"
 
-class Profile;
-
 namespace net {
 class URLRequestContextGetter;
 }
 
 namespace policy {
 
-class DeviceManagementBackendImpl;
+class DeviceManagementBackend;
 
 // The device management service is responsible for everything related to
 // communication with the device management server. It creates the backends
@@ -86,7 +85,7 @@ class DeviceManagementService : public URLFetcher::Delegate {
                                   const net::URLRequestStatus& status,
                                   int response_code,
                                   const net::ResponseCookies& cookies,
-                                  const std::string& data);
+                                  const std::string& data) OVERRIDE;
 
   // Does the actual initialization using the request context specified for
   // |PrepareInitialization|. This will also fire any pending network requests.