ppapi: Make sure the touch-event interface is detected correctly.

ppapi/thunk/ppb_input_event_thunk.cc

 // 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.
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/thunk/enter.h"
 #include "ppapi/thunk/ppb_input_event_api.h"
 #include "ppapi/thunk/ppb_instance_api.h"
 #include "ppapi/thunk/resource_creation_api.h"
 #include "ppapi/thunk/thunk.h"
@@ skipping 462 matching lines @@
 }
 
 const PPB_IMEInputEvent_Dev_0_1* GetPPB_IMEInputEvent_Dev_0_1_Thunk() {
   return &g_ppb_ime_input_event_0_1_thunk;
 }
 
 const PPB_IMEInputEvent_Dev_0_2* GetPPB_IMEInputEvent_Dev_0_2_Thunk() {
   return &g_ppb_ime_input_event_0_2_thunk;
 }
 
-const PPB_TouchInputEvent_1_0* GetPPB_TouchInputEvent_Thunk() {
+const PPB_TouchInputEvent_1_0* GetPPB_TouchInputEvent_1_0_Thunk() {
   return &g_ppb_touch_input_event_thunk;
 }
 
 }  // namespace thunk
 }  // namespace ppapi