Add GetUsbKeyCode dev interface for Pepper key 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 Nov 14 10:36:01 2011. */
+/* From ppb_input_event.idl modified Wed Feb  8 13:23:45 2012. */
 
 #ifndef PPAPI_C_PPB_INPUT_EVENT_H_
 #define PPAPI_C_PPB_INPUT_EVENT_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_point.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_stdint.h"
@@ skipping 637 matching lines @@
    * @param[in] time_stamp A <code>PP_TimeTicks</code> indicating the time
    * when the event occurred.
    *
    * @param[in]  modifiers A bit field combination of the
    * <code>PP_InputEvent_Modifier</code> flags.
    *
    * @param[in] key_code This value reflects the DOM KeyboardEvent
    * <code>keyCode</code> field. Chrome populates this with the Windows-style
    * Virtual Key code of the key.
    *
+   * @param[in] usb_scan_code This value reflects the USB scancode that
+   * generated this keyboard event.
+   *
    * @param[in] character_text This value represents the typed character as a
    * UTF-8 string.
    *
    * @return A <code>PP_Resource</code> containing the new keyboard input
    * event.
    */
   PP_Resource (*Create)(PP_Instance instance,
                         PP_InputEvent_Type type,
                         PP_TimeTicks time_stamp,
                         uint32_t modifiers,
                         uint32_t key_code,
+                        uint32_t usb_scan_code,
                         struct PP_Var character_text);
   /**
    * IsKeyboardInputEvent() determines if a resource is a keyboard event.
    *
    * @param[in] resource A <code>PP_Resource</code> corresponding to an event.
    *
    * @return <code>PP_TRUE</code> if the given resource is a valid input event.
    */
   PP_Bool (*IsKeyboardInputEvent)(PP_Resource resource);
   /**
    * GetKeyCode() returns the DOM keyCode field for the keyboard event.
    * Chrome populates this with the Windows-style Virtual Key code of the key.
    *
    * @param[in] key_event A <code>PP_Resource</code> corresponding to a
    * keyboard event.
    *
    * @return The DOM keyCode field for the keyboard event.
    */
   uint32_t (*GetKeyCode)(PP_Resource key_event);
   /**
+   * GetUsbScanCode_Dev() returns the USB scancode that corresponds to the key
+   * that generated this keyboard event.
+   *
+   * @param[in] key_event A <code>PP_Resource</code> corresponding to a
+   * keyboard event.
+   *
+   * @return The USB scancode field for the keyboard event.
+   */
+  uint32_t (*GetUsbScanCode_Dev)(PP_Resource key_event);
+  /**
    * GetCharacterText() returns the typed character as a UTF-8 string for the
    * given character event.
    *
    * @param[in] character_event A <code>PP_Resource</code> corresponding to a
    * keyboard event.
    *
    * @return A string var representing a single typed character for character
    * input events. For non-character input events the return value will be an
    * undefined var.
    */
   struct PP_Var (*GetCharacterText)(PP_Resource character_event);
 };
 
 typedef struct PPB_KeyboardInputEvent_1_0 PPB_KeyboardInputEvent;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PPB_INPUT_EVENT_H_ */