Fix nits in content/browser/appcache/

content/browser/appcache/appcache_url_request_job.h

Index: content/browser/appcache/appcache_url_request_job.h
diff --git a/content/browser/appcache/appcache_url_request_job.h b/content/browser/appcache/appcache_url_request_job.h
index 4b9bbcd07b2c57d4252e0f22fc079a44185d6d45..d4e4b176c2f1f9c5d6dc94a89be7b19c38d38854 100644
--- a/content/browser/appcache/appcache_url_request_job.h
+++ b/content/browser/appcache/appcache_url_request_job.h
@@ -16,18 +16,14 @@
 #include "net/http/http_byte_range.h"
 #include "net/url_request/url_request_job.h"
 
-namespace content {
-class AppCacheRequestHandlerTest;
-class AppCacheURLRequestJobTest;
-}
-
 namespace net {
 class GrowableIOBuffer;
 };
 
 namespace content {
-
 class AppCacheHost;
+class AppCacheRequestHandlerTest;
+class AppCacheURLRequestJobTest;
 
 // A net::URLRequestJob derivative that knows how to return a response stored
 // in the appcache.