[NaCl SDK] Consistent use of copyright header.

native_client_sdk/src/libraries/nacl_io_test/pepper_interface_mock.cc

-/* Copyright (c) 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.
- */
+// Copyright (c) 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 "pepper_interface_mock.h"
 
 PepperInterfaceMock::PepperInterfaceMock(PP_Instance instance)
     : instance_(instance),
 
     // Initialize interfaces.
 #include "nacl_io/pepper/undef_macros.h"
 #include "nacl_io/pepper/define_empty_macros.h"
 #undef BEGIN_INTERFACE
@@ skipping 28 matching lines @@
 #define BEGIN_INTERFACE(BaseClass, PPInterface, InterfaceString) \
     BaseClass##Mock* PepperInterfaceMock::Get##BaseClass() { \
       return BaseClass##interface_; \
     } \
     BaseClass##Mock::BaseClass##Mock() { \
     } \
     BaseClass##Mock::~BaseClass##Mock() { \
     }
 #include "nacl_io/pepper/all_interfaces.h"