Switch Pepper Linux to use shared USB<->native key conversion table.

webkit/plugins/ppapi/usb_key_code_conversion_win.cc

Index: webkit/plugins/ppapi/usb_key_code_conversion_win.cc
diff --git a/webkit/plugins/ppapi/usb_key_code_conversion_win.cc b/webkit/plugins/ppapi/usb_key_code_conversion_win.cc
index 93bdfef3a87bee8a143bfd228579ad3d6b72be20..c497f1504ec7c5371c592b08d7760427f4034961 100644
--- a/webkit/plugins/ppapi/usb_key_code_conversion_win.cc
+++ b/webkit/plugins/ppapi/usb_key_code_conversion_win.cc
@@ -20,19 +20,13 @@ namespace {
 
 }  // anonymous namespace
 
-
 uint32_t UsbKeyCodeForKeyboardEvent(const WebKeyboardEvent& key_event) {
   // Extract the scancode and extended bit from the native key event's lParam.
   int scancode = (key_event.nativeKeyCode >> 16) & 0x000000FF;
   if ((key_event.nativeKeyCode & (1 << 24)) != 0)
     scancode |= 0xe000;
 
-  for (int i = 0; i < arraysize(usb_keycode_map); i++) {
-    if (usb_keycode_map[i].native_keycode == scancode)
-      return usb_keycode_map[i].usb_keycode;
-  }
-
-  return 0;
+  return NativeKeycodeToUsbKeycode(scancode);
 }
 
 }  // namespace ppapi