Add a PPB_Flash_Print interface and implement in Chrome.

chrome/renderer/pepper/ppb_nacl_private_impl.h

Index: chrome/renderer/pepper/ppb_nacl_private_impl.h
diff --git a/chrome/renderer/pepper/ppb_nacl_private_impl.h b/chrome/renderer/pepper/ppb_nacl_private_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..0ae92465a3e238d7dcdfead21cea38fac72e2cb4
--- /dev/null
+++ b/chrome/renderer/pepper/ppb_nacl_private_impl.h
@@ -0,0 +1,21 @@
+// 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.
+
+#ifndef CHROME_RENDERER_PEPPER_PPB_NACL_PRIVATE_IMPL_H_
+#define CHROME_RENDERER_PEPPER_PPB_NACL_PRIVATE_IMPL_H_
+
+#include "build/build_config.h"
+
+#ifndef DISABLE_NACL
+
+struct PPB_NaCl_Private;
+
+class PPB_NaCl_Private_Impl {
+ public:
+  static const PPB_NaCl_Private* GetInterface();
+};
+
+#endif  // DISABLE_NACL
+
+#endif  // CHROME_RENDERER_PEPPER_PPB_NACL_PRIVATE_IMPL_H_