Hello Pepper API.

ppapi/thunk/ppb_hello_api.h

Index: ppapi/thunk/ppb_hello_api.h
diff --git a/ppapi/thunk/ppb_hello_api.h b/ppapi/thunk/ppb_hello_api.h
new file mode 100644
index 0000000000000000000000000000000000000000..7f89aadbec0da2197980992268fa7f3b674798f9
--- /dev/null
+++ b/ppapi/thunk/ppb_hello_api.h
@@ -0,0 +1,26 @@
+// 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.
+
+#ifndef PPAPI_THUNK_PPB_HELLO_API_H_
+#define PPAPI_THUNK_PPB_HELLO_API_H_
+
+#include "ppapi/c/dev/ppb_hello_dev.h"
+#include "ppapi/cpp/completion_callback.h"
+
+namespace ppapi {
+namespace thunk {
+
+class PPB_Hello_API {
+ public:
+  virtual ~PPB_Hello_API() {}
+
+  virtual int32_t SayHello() = 0;
+  virtual void WhoAreYou(char* name, uint32_t size,
+      pp::CompletionCallback callback) = 0;
+};
+
+}  // namespace thunk
+}  // namespace ppapi
+
+#endif  // PPAPI_THUNK_PPB_HELLO_API_H_