Run PPB_CharSet_Dev logic directly in the plugin process.

ppapi/proxy/ppb_char_set_proxy.h

Index: ppapi/proxy/ppb_char_set_proxy.h
diff --git a/ppapi/proxy/ppb_char_set_proxy.h b/ppapi/proxy/ppb_char_set_proxy.h
index 91360b1a79a0fc6aa22639a079c49193de0d6829..f6af0481b19c5bbd42fd81f8edf168017b35d796 100644
--- a/ppapi/proxy/ppb_char_set_proxy.h
+++ b/ppapi/proxy/ppb_char_set_proxy.h
@@ -5,7 +5,6 @@
 #ifndef PPAPI_PROXY_PPB_CHAR_SET_PROXY_H_
 #define PPAPI_PROXY_PPB_CHAR_SET_PROXY_H_
 
-#include "base/basictypes.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/proxy/interface_proxy.h"
@@ -33,28 +32,9 @@ class PPB_CharSet_Proxy : public InterfaceProxy {
   virtual bool OnMessageReceived(const IPC::Message& msg);
 
  private:
-  // Message handlers.
-  void OnMsgUTF16ToCharSet(PP_Instance instance,
-                           const string16& utf16,
-                           const std::string& char_set,
-                           int32_t on_error,
-                           std::string* output,
-                           bool* output_is_success);
-  void OnMsgCharSetToUTF16(PP_Instance instance,
-                           const std::string& input,
-                           const std::string& char_set,
-                           int32_t on_error,
-                           string16* output,
-                           bool* output_is_success);
   void OnMsgGetDefaultCharSet(PP_Instance instance,
                               SerializedVarReturnValue result);
 
-  // Returns the local PPB_Core interface for freeing strings.
-  const PPB_Core* GetCoreInterface();
-
-  // Possibly NULL, lazily initialized by GetCoreInterface.
-  const PPB_Core* core_interface_;
-
   DISALLOW_COPY_AND_ASSIGN(PPB_CharSet_Proxy);
 };