Add GetUsbKeyCode dev interface for Pepper key events

ppapi/c/ppb_input_event.h

Index: ppapi/c/ppb_input_event.h
diff --git a/ppapi/c/ppb_input_event.h b/ppapi/c/ppb_input_event.h
index 7d948615c1d252babf5ef6099a6c7af8188c0f72..b7f2b6e279af9fc6f31fb6ffa414c8d536bce107 100644
--- a/ppapi/c/ppb_input_event.h
+++ b/ppapi/c/ppb_input_event.h
@@ -3,7 +3,7 @@
  * 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_
@@ -661,6 +661,9 @@ struct PPB_KeyboardInputEvent_1_0 {
    * <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.
    *
@@ -672,6 +675,7 @@ struct PPB_KeyboardInputEvent_1_0 {
                         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.
@@ -692,6 +696,16 @@ struct PPB_KeyboardInputEvent_1_0 {
    */
   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.
    *