Pepper IME API for surrounding text retrieval.

ppapi/proxy/ppp_text_input_proxy.h

Index: ppapi/proxy/ppp_text_input_proxy.h
diff --git a/ppapi/proxy/ppp_text_input_proxy.h b/ppapi/proxy/ppp_text_input_proxy.h
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+++ b/ppapi/proxy/ppp_text_input_proxy.h
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+// 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 PPAPI_PROXY_PPP_TEXT_INPUT_PROXY_H_
+#define PPAPI_PROXY_PPP_TEXT_INPUT_PROXY_H_
+
+#include "ppapi/c/dev/ppp_text_input_dev.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/proxy/interface_proxy.h"
+
+namespace ppapi {
+namespace proxy {
+
+class PPP_TextInput_Proxy : public InterfaceProxy {
+ public:
+  PPP_TextInput_Proxy(Dispatcher* dispatcher);
+  virtual ~PPP_TextInput_Proxy();
+
+  static const PPP_TextInput_Dev* GetProxyInterface();
+
+  // InterfaceProxy implementation.
+  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
+
+ private:
+  // Message handlers.
+  void OnMsgRequestSurroundingText(PP_Instance instance,
+                                   uint32_t desired_number_of_characters);
+
+  // When this proxy is in the plugin side, this value caches the interface
+  // pointer so we don't have to retrieve it from the dispatcher each time.
+  // In the host, this value is always NULL.
+  const PPP_TextInput_Dev* ppp_text_input_impl_;
+
+  DISALLOW_COPY_AND_ASSIGN(PPP_TextInput_Proxy);
+};
+
+}  // namespace proxy
+}  // namespace ppapi
+
+#endif  // PPAPI_PROXY_PPP_TEXT_INPUT_PROXY_H_