Regularize namespace closing curlies

src/runtime/runtime-json.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/json-parser.h"
 #include "src/json-stringifier.h"
 #include "src/runtime/runtime-utils.h"
@@ skipping 31 matching lines @@
 
   source = String::Flatten(source);
   // Optimized fast case where we only have Latin1 characters.
   Handle<Object> result;
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result,
                                      source->IsSeqOneByteString()
                                          ? JsonParser<true>::Parse(source)
                                          : JsonParser<false>::Parse(source));
   return *result;
 }
-}
-}  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8