[presubmit] Fix runtime/indentation_namespace linter violations.

include/v8.h

 // Copyright 2012 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.
 
 /** \mainpage V8 API Reference Guide
  *
  * V8 is Google's open source JavaScript engine.
  *
  * This set of documents provides reference material generated from the
  * V8 header file, include/v8.h.
@@ skipping 94 matching lines @@
 class SymbolObject;
 class Uint32;
 class Utils;
 class Value;
 template <class T> class Local;
 template <class T>
 class MaybeLocal;
 template <class T> class Eternal;
 template<class T> class NonCopyablePersistentTraits;
 template<class T> class PersistentBase;
-template<class T,
-         class M = NonCopyablePersistentTraits<T> > class Persistent;
+template <class T, class M = NonCopyablePersistentTraits<T> >
+class Persistent;
 template <class T>
 class Global;
 template<class K, class V, class T> class PersistentValueMap;
 template <class K, class V, class T>
 class PersistentValueMapBase;
 template <class K, class V, class T>
 class GlobalValueMap;
 template<class V, class T> class PersistentValueVector;
 template<class T, class P> class WeakCallbackObject;
 class FunctionTemplate;
@@ skipping 8220 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_