Support XK_ugrave/XK_Ugrave key.

ui/base/keycodes/keyboard_code_conversion_x.cc

Index: ui/base/keycodes/keyboard_code_conversion_x.cc
diff --git a/ui/base/keycodes/keyboard_code_conversion_x.cc b/ui/base/keycodes/keyboard_code_conversion_x.cc
index 7b752332c5e95894f3418a1be556fdd5fe9c6f23..49d56e0dd122a66abadad58113dbe0c370ad3895 100644
--- a/ui/base/keycodes/keyboard_code_conversion_x.cc
+++ b/ui/base/keycodes/keyboard_code_conversion_x.cc
@@ -339,6 +339,10 @@ KeyboardCode KeyboardCodeFromXKeysym(unsigned int keysym) {
     case XK_guillemotleft:
     case XK_guillemotright:
     case XK_degree:
+    // In the case of canadian multilingual keyboard layout, VKEY_OEM_102 is
+    // assigned to ugrave key.
+    case XK_ugrave:
+    case XK_Ugrave:
       return VKEY_OEM_102;  // international backslash key in 102 keyboard.
 
     // When evdev is in use, /usr/share/X11/xkb/symbols/inet maps F13-18 keys