[presubmit] Enable readability/namespace linter checking.

src/log-inl.h

 // Copyright 2006-2009 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.
 
 #ifndef V8_LOG_INL_H_
 #define V8_LOG_INL_H_
 
 #include "src/log.h"
 #include "src/isolate.h"
 #include "src/objects-inl.h"
@@ skipping 20 matching lines @@
 void Logger::CallEventLogger(Isolate* isolate, const char* name, StartEnd se,
                              bool expose_to_api) {
   if (isolate->event_logger() != NULL) {
     if (isolate->event_logger() == DefaultEventLoggerSentinel) {
       LOG(isolate, TimerEvent(se, name));
     } else if (expose_to_api) {
       isolate->event_logger()(name, se);
     }
   }
 }
-} }  // namespace v8::internal
+}  // namespace internal
+}  // namespace v8
 
 #endif  // V8_LOG_INL_H_