Rename InterfaceID to ApiID and move the file.

ppapi/thunk/ppb_text_input_api.h

 // 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_TEXT_INPUT_API_H_
 #define PPAPI_THUNK_PPB_TEXT_INPUT_API_H_
 
 #include "ppapi/c/dev/ppb_text_input_dev.h"
-#include "ppapi/proxy/interface_id.h"
+#include "ppapi/shared_impl/api_id.h"
 
 namespace ppapi {
 namespace thunk {
 
 class PPB_TextInput_FunctionAPI {
  public:
   virtual ~PPB_TextInput_FunctionAPI() {}
 
   virtual void SetTextInputType(PP_Instance instance,
                                 PP_TextInput_Type type) = 0;
   virtual void UpdateCaretPosition(PP_Instance instance,
                                    const PP_Rect& caret,
                                    const PP_Rect& bounding_box) = 0;
   virtual void CancelCompositionText(PP_Instance instance) = 0;
 
-  static const proxy::InterfaceID interface_id =
-      proxy::INTERFACE_ID_PPB_TEXT_INPUT;
+  static const ApiID kApiID = API_ID_PPB_TEXT_INPUT;
 };
 
 }  // namespace thunk
 }  // namespace ppapi
 
 #endif  // PPAPI_THUNK_PPB_TEXT_INPUT_API_H_