MacViews: Fix MenuRunnerTest.NonLatinMnemonic

ui/events/test/cocoa_test_event_utils.mm

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import <Cocoa/Cocoa.h>
 #include <mach/mach_time.h>
 #include <stdint.h>
 
 #import "ui/events/keycodes/keyboard_code_conversion_mac.h"
 #include "ui/events/test/cocoa_test_event_utils.h"
@@ skipping 172 matching lines @@
                                data2:0];
 }
 
 NSTimeInterval TimeIntervalSinceSystemStartup() {
   return UpTimeInNanoseconds() / 1000000000.0;
 }
 
 NSEvent* SynthesizeKeyEvent(NSWindow* window,
                             bool keyDown,
                             ui::KeyboardCode keycode,
-                            NSUInteger flags) {
+                            NSUInteger flags,
+                            ui::DomKey dom_key) {
   // If caps lock is set for an alpha keycode, treat it as if shift was pressed.
   // Note on Mac (unlike other platforms) shift while caps is down does not go
   // back to lowercase.
   if (keycode >= ui::VKEY_A && keycode <= ui::VKEY_Z &&
       (flags & NSAlphaShiftKeyMask))
     flags |= NSShiftKeyMask;
 
   // Clear caps regardless -- MacKeyCodeForWindowsKeyCode doesn't implement
   // logic to support it.
   flags &= ~NSAlphaShiftKeyMask;
 
   unichar character;
   unichar shifted_character;
   int macKeycode = ui::MacKeyCodeForWindowsKeyCode(
       keycode, flags, &shifted_character, &character);
 
   if (macKeycode < 0)
     return nil;
 
+  // If an explicit unicode character is provided, use that instead of the one
+  // derived from the keycode.
+  if (dom_key.IsCharacter())
+    shifted_character = dom_key.ToCharacter();
+
   // Note that, in line with AppKit's documentation (and tracing "real" events),
   // -[NSEvent charactersIngoringModifiers]" are "the characters generated by
   // the receiving key event as if no modifier key (except for Shift)".
   // So |charactersIgnoringModifiers| uses |shifted_character|.
   NSString* charactersIgnoringModifiers =
       [[[NSString alloc] initWithCharacters:&shifted_character
                                      length:1] autorelease];
   NSString* characters;
   // The following were determined empirically on OSX 10.9.
   if (flags & NSControlKeyMask) {
@@ skipping 33 matching lines @@
                                      context:nil
                                   characters:characters
                  charactersIgnoringModifiers:charactersIgnoringModifiers
                                    isARepeat:NO
                                      keyCode:(unsigned short)macKeycode];
 
   return event;
 }
 
 }  // namespace cocoa_test_event_utils