cc: Fix style for comments at the end of namespaces

cc/scrollbar_animation_controller_linear_fade.cc

 // Copyright 2012 The Chromium 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 "config.h"
 
 #include "cc/scrollbar_animation_controller_linear_fade.h"
 
 #include "cc/scrollbar_layer_impl.h"
 
@@ skipping 56 matching lines @@
 
     double delta = monotonicTime - m_lastAwakenTime;
 
     if (delta <= m_fadeoutDelay)
         return 1;
     if (delta < m_fadeoutDelay + m_fadeoutLength)
         return (m_fadeoutDelay + m_fadeoutLength - delta) / m_fadeoutLength;
     return 0;
 }
 
-} // namespace cc
+}  // namespace cc