Fix a style guide violation in KeyedService.

components/keyed_service/core/keyed_service.h

Index: components/keyed_service/core/keyed_service.h
diff --git a/components/keyed_service/core/keyed_service.h b/components/keyed_service/core/keyed_service.h
index ad5b529b56d4ea435d053cec274efd2f2bd10134..e9c6f29ebde6d367992d36d59584677e5da8750c 100644
--- a/components/keyed_service/core/keyed_service.h
+++ b/components/keyed_service/core/keyed_service.h
@@ -17,11 +17,11 @@ class KEYED_SERVICE_EXPORT KeyedService {
  public:
   KeyedService();
 
-  // The first pass is to call Shutdown on a KeyedService.
-  virtual void Shutdown();
-
   // The second pass is the actual deletion of each object.
   virtual ~KeyedService();
+
+  // The first pass is to call Shutdown on a KeyedService.
+  virtual void Shutdown();
 };
 
 #endif  // COMPONENTS_KEYED_SERVICE_CORE_KEYED_SERVICE_H_