Fix nits in content/browser/appcache/

content/public/browser/resource_dispatcher_host_delegate.h

Index: content/public/browser/resource_dispatcher_host_delegate.h
diff --git a/content/public/browser/resource_dispatcher_host_delegate.h b/content/public/browser/resource_dispatcher_host_delegate.h
index d16a11f3eae504605e1679718c602b8b5c5e9e55..7d026928338980753f3b7ddbb309384cc7cda8b2 100644
--- a/content/public/browser/resource_dispatcher_host_delegate.h
+++ b/content/public/browser/resource_dispatcher_host_delegate.h
@@ -15,18 +15,6 @@
 class GURL;
 template <class T> class ScopedVector;
 
-namespace content {
-class AppCacheService;
-}
-
-namespace content {
-class ResourceContext;
-class ResourceThrottle;
-class StreamHandle;
-struct Referrer;
-struct ResourceResponse;
-}
-
 namespace IPC {
 class Sender;
 }
@@ -38,7 +26,13 @@ class URLRequest;
 
 namespace content {
 
+class AppCacheService;
+class ResourceContext;
 class ResourceDispatcherHostLoginDelegate;
+class ResourceThrottle;
+class StreamHandle;
+struct Referrer;
+struct ResourceResponse;
 
 // Interface that the embedder provides to ResourceDispatcherHost to allow
 // observing and modifying requests.