Eraser tool type plumbing from ui/events to web events and PPAPI.

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 Thu Apr  3 14:52:10 2014. */
 
 #ifndef PPAPI_C_PPB_INPUT_EVENT_H_
 #define PPAPI_C_PPB_INPUT_EVENT_H_
 
@@ skipping 196 matching lines @@
   PP_INPUTEVENT_MODIFIER_ALTKEY = 1 << 2,
   PP_INPUTEVENT_MODIFIER_METAKEY = 1 << 3,
   PP_INPUTEVENT_MODIFIER_ISKEYPAD = 1 << 4,
   PP_INPUTEVENT_MODIFIER_ISAUTOREPEAT = 1 << 5,
   PP_INPUTEVENT_MODIFIER_LEFTBUTTONDOWN = 1 << 6,
   PP_INPUTEVENT_MODIFIER_MIDDLEBUTTONDOWN = 1 << 7,
   PP_INPUTEVENT_MODIFIER_RIGHTBUTTONDOWN = 1 << 8,
   PP_INPUTEVENT_MODIFIER_CAPSLOCKKEY = 1 << 9,
   PP_INPUTEVENT_MODIFIER_NUMLOCKKEY = 1 << 10,
   PP_INPUTEVENT_MODIFIER_ISLEFT = 1 << 11,
-  PP_INPUTEVENT_MODIFIER_ISRIGHT = 1 << 12
+  PP_INPUTEVENT_MODIFIER_ISRIGHT = 1 << 12,
+  // PPAPI does not use modifiers 13 through 18.
+  PP_INPUTEVENT_MODIFIER_ISERASER = 1 << 19,
 } PP_InputEvent_Modifier;
 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_InputEvent_Modifier, 4);
 
 /**
  * This enumeration contains constants representing each mouse button. To get
  * the mouse button for a mouse down or up event, use GetMouseButton on
  * PPB_InputEvent.
  */
 typedef enum {
   PP_INPUTEVENT_MOUSEBUTTON_NONE = -1,
   PP_INPUTEVENT_MOUSEBUTTON_LEFT = 0,
   PP_INPUTEVENT_MOUSEBUTTON_MIDDLE = 1,
-  PP_INPUTEVENT_MOUSEBUTTON_RIGHT = 2
+  PP_INPUTEVENT_MOUSEBUTTON_RIGHT = 2,
+  PP_INPUTEVENT_MOUSEBUTTON_ERASER = 3
 } PP_InputEvent_MouseButton;
 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_InputEvent_MouseButton, 4);
 
 typedef enum {
   /**
    * Request mouse input events.
    *
    * Normally you will request mouse events by calling RequestInputEvents().
    * The only use case for filtered events (via RequestFilteringInputEvents())
    * is for instances that have irregular outlines and you want to perform hit
@@ skipping 796 matching lines @@
   void (*GetSelection)(PP_Resource ime_event, uint32_t* start, uint32_t* end);
 };
 
 typedef struct PPB_IMEInputEvent_1_0 PPB_IMEInputEvent;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PPB_INPUT_EVENT_H_ */