Regularize namespace closing curlies

src/runtime/runtime-proxy.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/arguments.h"
 #include "src/runtime/runtime-utils.h"
 
 namespace v8 {
@@ skipping 63 matching lines @@
 }
 
 
 RUNTIME_FUNCTION(Runtime_Fix) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSProxy, proxy, 0);
   JSProxy::Fix(proxy);
   return isolate->heap()->undefined_value();
 }
-}
-}  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8