ppapi: Add support for touch events.

ppapi/thunk/ppb_input_event_api.h

 // 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_THUNK_PPB_INPUT_EVENT_API_H_
 #define PPAPI_THUNK_PPB_INPUT_EVENT_API_H_
 
 #include "ppapi/c/dev/ppb_ime_input_event_dev.h"
 #include "ppapi/c/dev/ppb_keyboard_input_event_dev.h"
+#include "ppapi/c/dev/ppb_touch_event_dev.h"
 #include "ppapi/c/ppb_input_event.h"
 #include "ppapi/thunk/ppapi_thunk_export.h"
 
 namespace ppapi {
 
 struct InputEventData;
 
 namespace thunk {
 
 class PPAPI_THUNK_EXPORT PPB_InputEvent_API {
@@ skipping 15 matching lines @@
   virtual PP_FloatPoint GetWheelTicks() = 0;
   virtual PP_Bool GetWheelScrollByPage() = 0;
   virtual uint32_t GetKeyCode() = 0;
   virtual PP_Var GetCharacterText() = 0;
   virtual PP_Bool SetUsbKeyCode(uint32_t) = 0;
   virtual uint32_t GetUsbKeyCode() = 0;
   virtual uint32_t GetIMESegmentNumber() = 0;
   virtual uint32_t GetIMESegmentOffset(uint32_t index) = 0;
   virtual int32_t GetIMETargetSegment() = 0;
   virtual void GetIMESelection(uint32_t* start, uint32_t* end) = 0;
+  virtual uint32_t GetTouchCount(PP_TouchListType list) = 0;
+  virtual PP_TouchPoint_Dev GetTouchByIndex(PP_TouchListType list,
+                                            uint32_t index) = 0;
+  virtual PP_TouchPoint_Dev GetTouchById(PP_TouchListType list,
+                                         uint32_t id) = 0;
 };
 
 }  // namespace thunk
 }  // namespace ppapi
 
 #endif  // PPAPI_THUNK_PPB_INPUT_EVENT_API_H_