Revert of Take GetCharacterFromKeyCode() out behind the barn.

ui/events/ozone/layout/xkb/xkb_keyboard_layout_engine.cc

Index: ui/events/ozone/layout/xkb/xkb_keyboard_layout_engine.cc
diff --git a/ui/events/ozone/layout/xkb/xkb_keyboard_layout_engine.cc b/ui/events/ozone/layout/xkb/xkb_keyboard_layout_engine.cc
index 5a56c8d058d58aa3ed73c64b84a1c4d2321624a2..2d47cafe2368ca7aa6bf46321379ea8fc879a958 100644
--- a/ui/events/ozone/layout/xkb/xkb_keyboard_layout_engine.cc
+++ b/ui/events/ozone/layout/xkb/xkb_keyboard_layout_engine.cc
@@ -788,10 +788,12 @@
       if (*key_code == VKEY_UNKNOWN)
         *key_code = DomCodeToUsLayoutKeyboardCode(dom_code);
     }
-    // If the Control key is down, only allow ASCII control characters to be
-    // returned, regardless of the key layout. crbug.com/450849
-    if ((flags & EF_CONTROL_DOWN) && (*character >= 0x20))
-      *character = 0;
+
+    if ((flags & EF_CONTROL_DOWN) == EF_CONTROL_DOWN) {
+      // Use GetCharacterFromKeyCode() to set |character| to 0x0 for keys that
+      // are not part of the accepted set of Control+Key combinations.
+      *character = GetCharacterFromKeyCode(*key_code, flags);
+    }
   } else if (*dom_key == DomKey::DEAD) {
     *character = DeadXkbKeySymToCombiningCharacter(xkb_keysym);
     *key_code = DomCodeToUsLayoutKeyboardCode(dom_code);