[Windows] Produce correct DomKey for NumPad when combined with Shift/NumLock

ui/events/keycodes/platform_key_map_win.h

Index: ui/events/keycodes/platform_key_map_win.h
diff --git a/ui/events/keycodes/platform_key_map_win.h b/ui/events/keycodes/platform_key_map_win.h
index 7517f2a7ee470d2a78bc7b0a6a88f935dbeffe5d..bc50cdb3965c376f13236092b6313b11f63aeec0 100644
--- a/ui/events/keycodes/platform_key_map_win.h
+++ b/ui/events/keycodes/platform_key_map_win.h
@@ -26,15 +26,18 @@ class EVENTS_BASE_EXPORT PlatformKeyMap {
 
   // Returns the DomKey 'meaning' of |code| in the context of specified
   // |ui_event_flags| and stored keyboard layout.
+  // |key_code| will only be used for NumPad.
   DomKey DomCodeAndFlagsToDomKey(DomCode code,
+                                 KeyboardCode key_code,
                                  int ui_event_flags) const;
 
   // Returns the DomKey 'meaning' of |code| in the context of specified
   // |ui_event_flags| and the keyboard layout of current thread.
   // Updates a per-thread key map cache whenever the layout changes.
-  static DomKey DomCodeAndFlagsToDomKeyStatic(
-      DomCode code,
-      int ui_event_flags);
+  // |key_code| will only be used for NumPad.
+  static DomKey DomCodeAndFlagsToDomKeyStatic(DomCode code,
+                                              KeyboardCode key_code,
+                                              int ui_event_flags);

[chongz, 2016/03/10 00:59:10]

This interface looks ugly but I don't have a better solution...

 
  private:
   PlatformKeyMap();