cc: Fix style for comments at the end of namespaces

cc/prioritized_texture_manager.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/prioritized_texture_manager.h"
 
 #include "base/debug/trace_event.h"
 #include "base/stl_util.h"
@@ skipping 454 matching lines @@
             reachedUnrecyclable = true;
         if (reachedUnrecyclable)
             DCHECK(!backing->canBeRecycled());
         else
             DCHECK(backing->canBeRecycled());
         previous_backing = backing;
     }
 #endif
 }
 
-} // namespace cc
+}  // namespace cc