ppapi: Add support for touch events.

ppapi/c/ppb_input_event.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.
  */
 
 /* From ppb_input_event.idl modified Mon Mar  5 10:11:05 2012. */
 
 #ifndef PPAPI_C_PPB_INPUT_EVENT_H_
 #define PPAPI_C_PPB_INPUT_EVENT_H_
 
@@ skipping 126 matching lines @@
    * Notification that an input method composition process has completed.
    *
    * Register for this event using the PP_INPUTEVENT_CLASS_IME class.
    */
   PP_INPUTEVENT_TYPE_IME_COMPOSITION_END = 13,
   /**
    * Notification that an input method committed a string.
    *
    * Register for this event using the PP_INPUTEVENT_CLASS_IME class.
    */
-  PP_INPUTEVENT_TYPE_IME_TEXT = 14
+  PP_INPUTEVENT_TYPE_IME_TEXT = 14,
+  /**
+   * Notification that a finger was placed on a touch-enabled device.
+   *
+   * Register for this event using the PP_INPUTEVENT_CLASS_TOUCH class.
+   */
+  PP_INPUTEVENT_TYPE_TOUCHSTART = 15,
+  /**
+   * Notification that a finger was moved on a touch-enabled device.
+   *
+   * Register for this event using the PP_INPUTEVENT_CLASS_TOUCH class.
+   */
+  PP_INPUTEVENT_TYPE_TOUCHMOVE = 16,
+  /**
+   * Notification that a finger was released on a touch-enabled device.
+   *
+   * Register for this event using the PP_INPUTEVENT_CLASS_TOUCH class.
+   */
+  PP_INPUTEVENT_TYPE_TOUCHEND = 17,
+  /**
+   * Notification that a touch event was canceled.
+   *
+   * Register for this event using the PP_INPUTEVENT_CLASS_TOUCH class.
+   */
+  PP_INPUTEVENT_TYPE_TOUCHCANCEL = 18
 } PP_InputEvent_Type;
 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_InputEvent_Type, 4);
 
 /**
  * This enumeration contains event modifier constants. Each modifier is one
  * bit. Retrieve the modifiers from an input event using the GetEventModifiers
  * function on PPB_InputEvent.
  */
 typedef enum {
   PP_INPUTEVENT_MODIFIER_SHIFTKEY = 1 << 0,
@@ skipping 546 matching lines @@
   struct PP_Var (*GetCharacterText)(PP_Resource character_event);
 };
 
 typedef struct PPB_KeyboardInputEvent_1_0 PPB_KeyboardInputEvent;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PPB_INPUT_EVENT_H_ */