Make cmd-{/} shortcut keys work on any keyboard layouts on Mac

chrome/browser/cocoa/browser_window_cocoa.mm

 // Copyright (c) 2009 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.
 
 #include "app/l10n_util_mac.h"
 #include "base/gfx/rect.h"
 #include "base/keyboard_codes.h"
 #include "base/logging.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/app/chrome_dll_resource.h"
@@ skipping 434 matching lines @@
   if (item && [item action] == @selector(terminate:))
     return IDC_EXIT;
 
   // Look in secondary keyboard shortcuts.
   NSUInteger modifiers = [event.os_event modifierFlags];
   const bool cmdKey = (modifiers & NSCommandKeyMask) != 0;
   const bool shiftKey = (modifiers & NSShiftKeyMask) != 0;
   const bool cntrlKey = (modifiers & NSControlKeyMask) != 0;
   const bool optKey = (modifiers & NSAlternateKeyMask) != 0;
   const int keyCode = [event.os_event keyCode];
+  const unichar keyChar = KeyCharacterForEvent(event.os_event);
 
   int cmdNum = CommandForWindowKeyboardShortcut(
-      cmdKey, shiftKey, cntrlKey, optKey, keyCode);
+      cmdKey, shiftKey, cntrlKey, optKey, keyCode, keyChar);
   if (cmdNum != -1)
     return cmdNum;
 
   cmdNum = CommandForBrowserKeyboardShortcut(
-      cmdKey, shiftKey, cntrlKey, optKey, keyCode);
+      cmdKey, shiftKey, cntrlKey, optKey, keyCode, keyChar);
   if (cmdNum != -1)
     return cmdNum;
 
   return -1;
 }
 
 bool BrowserWindowCocoa::HandleKeyboardEventInternal(NSEvent* event) {
   ChromeEventProcessingWindow* event_window =
       static_cast<ChromeEventProcessingWindow*>(window_);
   DCHECK([event_window isKindOfClass:[ChromeEventProcessingWindow class]]);
 
   // Do not fire shortcuts on key up.
   if ([event type] == NSKeyDown) {
     // Send the event to the menu before sending it to the browser/window
     // shortcut handling, so that if a user configures cmd-left to mean
     // "previous tab", it takes precedence over the built-in "history back"
     // binding. Other than that, the |redispatchEvent| call would take care of
     // invoking the original menu item shortcut as well.
+
     if ([[NSApp mainMenu] performKeyEquivalent:event])
       return true;
 
     if ([event_window handleExtraBrowserKeyboardShortcut:event])
       return true;
 
     if ([event_window handleExtraWindowKeyboardShortcut:event])
       return true;
 
     if ([event_window handleDelayedWindowKeyboardShortcut:event])
@@ skipping 21 matching lines @@
       break;
   }
 }
 
 void BrowserWindowCocoa::DestroyBrowser() {
   [controller_ destroyBrowser];
 
   // at this point the controller is dead (autoreleased), so
   // make sure we don't try to reference it any more.
 }