[KeyboardEvent] Use DOM |code| rather than Windows-based key code

ui/events/keycodes/keyboard_code_conversion_x.h

Index: ui/events/keycodes/keyboard_code_conversion_x.h
diff --git a/ui/events/keycodes/keyboard_code_conversion_x.h b/ui/events/keycodes/keyboard_code_conversion_x.h
index 4bf696e240e4007771e5151d538052c14a2c57ca..0b8960f348aebea3bf2782043a7a290f59ad9489 100644
--- a/ui/events/keycodes/keyboard_code_conversion_x.h
+++ b/ui/events/keycodes/keyboard_code_conversion_x.h
@@ -6,6 +6,7 @@
 #define UI_EVENTS_KEYCODES_KEYBOARD_CODE_CONVERSION_X_H_
 
 #include "base/basictypes.h"
+#include "base/strings/string16.h"
 #include "ui/events/events_base_export.h"
 #include "ui/events/keycodes/keyboard_codes_posix.h"
 
@@ -15,6 +16,7 @@ typedef struct _XDisplay XDisplay;
 namespace ui {
 
 enum class DomCode;
+enum class DomKey;
 
 EVENTS_BASE_EXPORT KeyboardCode KeyboardCodeFromXKeyEvent(const XEvent* xev);
 
@@ -25,6 +27,11 @@ EVENTS_BASE_EXPORT DomCode CodeFromXEvent(const XEvent* xev);
 // Returns a character on a standard US PC keyboard from an XEvent.
 EVENTS_BASE_EXPORT uint16 GetCharacterFromXEvent(const XEvent* xev);
 
+// Returns a DomKey and character from an XEvent.
+EVENTS_BASE_EXPORT void GetMeaningFromXEvent(const XEvent* xev,
+                                             DomKey* key,
+                                             base::char16* character);
+
 // Converts a KeyboardCode into an X KeySym.
 EVENTS_BASE_EXPORT int XKeysymForWindowsKeyCode(KeyboardCode keycode,
                                                 bool shift);