Fix cmd-opt-left/right.

chrome/browser/cocoa/chrome_event_processing_window.mm

Index: chrome/browser/cocoa/chrome_event_processing_window.mm
diff --git a/chrome/browser/cocoa/chrome_event_processing_window.mm b/chrome/browser/cocoa/chrome_event_processing_window.mm
index d8755bf5eda0fada0c90c4194f1249a3820e93cc..e5c569a271ed0df43174f2f38f0d352e7e96342e 100644
--- a/chrome/browser/cocoa/chrome_event_processing_window.mm
+++ b/chrome/browser/cocoa/chrome_event_processing_window.mm
@@ -11,7 +11,7 @@
 #import "chrome/browser/renderer_host/render_widget_host_view_mac.h"
 #include "chrome/browser/global_keyboard_shortcuts_mac.h"
 
-typedef int (*KeyToCommandMapper)(bool, bool, bool, int);
+typedef int (*KeyToCommandMapper)(bool, bool, bool, bool, int);
 
 @implementation ChromeEventProcessingWindow
 
@@ -22,9 +22,10 @@ typedef int (*KeyToCommandMapper)(bool, bool, bool, int);
   const bool cmdKey = modifers & NSCommandKeyMask;
   const bool shiftKey = modifers & NSShiftKeyMask;
   const bool cntrlKey = modifers & NSControlKeyMask;
+  const bool optKey = modifers & NSAlternateKeyMask;
   const int keyCode = [event keyCode];
 
-  int cmdNum = commandForKeyboardShortcut(cmdKey, shiftKey, cntrlKey,
+  int cmdNum = commandForKeyboardShortcut(cmdKey, shiftKey, cntrlKey, optKey,
       keyCode);
 
   BrowserWindowController* controller =