Cosmetic changes to tests to make it easier to concatenate them.

src/extensions/externalize-string-extension.cc

 // Copyright 2010 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/extensions/externalize-string-extension.h"
 
 namespace v8 {
 namespace internal {
 
 template <typename Char, typename Base>
@@ skipping 104 matching lines @@
     args.GetIsolate()->ThrowException(v8::String::NewFromUtf8(
         args.GetIsolate(),
         "isOneByteString() requires a single string argument."));
     return;
   }
   bool is_one_byte =
       Utils::OpenHandle(*args[0].As<v8::String>())->IsOneByteRepresentation();
   args.GetReturnValue().Set(is_one_byte);
 }
 
-} }  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8