Pepper IME API for surrounding text retrieval.

ppapi/proxy/ppb_text_input_proxy.h

Index: ppapi/proxy/ppb_text_input_proxy.h
diff --git a/ppapi/proxy/ppb_text_input_proxy.h b/ppapi/proxy/ppb_text_input_proxy.h
index 92a8b120117bec80d789fe7de8b4e2f4af96b189..24e53c494b22b3bbc49da0cd3668e0e713f6aed3 100644
--- a/ppapi/proxy/ppb_text_input_proxy.h
+++ b/ppapi/proxy/ppb_text_input_proxy.h
@@ -5,6 +5,8 @@
 #ifndef PPAPI_PROXY_PPB_TEXT_INPUT_PROXY_H_
 #define PPAPI_PROXY_PPB_TEXT_INPUT_PROXY_H_
 
+#include <string>
+
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_rect.h"
 #include "ppapi/proxy/interface_proxy.h"
@@ -31,6 +33,11 @@ class PPB_TextInput_Proxy
                                    const PP_Rect& caret,
                                    const PP_Rect& bounding_box) OVERRIDE;
   virtual void CancelCompositionText(PP_Instance instance) OVERRIDE;
+  virtual void SelectionChanged(PP_Instance instance) OVERRIDE;
+  virtual void UpdateSurroundingText(PP_Instance instance,
+                                     const char* text,
+                                     uint32_t caret,
+                                     uint32_t anchor) OVERRIDE;
 
   // InterfaceProxy implementation.
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
@@ -44,6 +51,11 @@ class PPB_TextInput_Proxy
                                 PP_Rect caret,
                                 PP_Rect bounding_box);
   void OnMsgCancelCompositionText(PP_Instance instance);
+  void OnMsgSelectionChanged(PP_Instance instance);
+  void OnMsgUpdateSurroundingText(PP_Instance instance,
+                                  const std::string& text,
+                                  uint32_t caret,
+                                  uint32_t anchor);
 
   DISALLOW_COPY_AND_ASSIGN(PPB_TextInput_Proxy);
 };