Update Native Client Authors to be Chromium Authors for the code moved from the

ppapi/native_client/src/trusted/plugin/scriptable_handle.cc

-/*
- * Copyright 2011 (c) The Native Client Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
+// Copyright (c) 2011 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.
 
 // Scriptable handle implementation.
 
 #include "native_client/src/trusted/plugin/scriptable_handle.h"
 
 #include <stdio.h>
 #include <string.h>
 
 #include <assert.h>
 #include <set>
@@ skipping 451 matching lines @@
     // Neither the browser nor plugin ever var referenced this object,
     // so it can safely discarded.
     PLUGIN_PRINTF(("ScriptableHandle::Unref (delete this)\n"));
     CHECK(var_ == NULL);
     delete this;
   }
 }
 
 
 }  // namespace plugin