mac: Create a static mapping of accelerators in the main menu.

ui/base/cocoa/cocoa_event_utils.mm

 // Copyright 2013 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 "ui/base/cocoa/cocoa_event_utils.h"
 
 #include "ui/base/window_open_disposition.h"
 #include "ui/events/event_constants.h"
 
 namespace {
@@ skipping 25 matching lines @@
 }  // namespace
 
 namespace ui {
 
 // Retrieves a bitsum of ui::EventFlags from NSEvent.
 int EventFlagsFromNSEvent(NSEvent* event) {
   NSUInteger modifiers = [event modifierFlags];
   return EventFlagsFromNSEventWithModifiers(event, modifiers);
 }
 
-int EventFlagsFromNSEventWithModifiers(NSEvent* event, NSUInteger modifiers) {
+int EventFlagsFromModifiers(NSUInteger modifiers) {
   int flags = 0;
   flags |= (modifiers & NSAlphaShiftKeyMask) ? ui::EF_CAPS_LOCK_DOWN : 0;
   flags |= (modifiers & NSShiftKeyMask) ? ui::EF_SHIFT_DOWN : 0;
   flags |= (modifiers & NSControlKeyMask) ? ui::EF_CONTROL_DOWN : 0;
   flags |= (modifiers & NSAlternateKeyMask) ? ui::EF_ALT_DOWN : 0;
   flags |= (modifiers & NSCommandKeyMask) ? ui::EF_COMMAND_DOWN : 0;
+  return flags;
+}
+
+int EventFlagsFromNSEventWithModifiers(NSEvent* event, NSUInteger modifiers) {
+  int flags = EventFlagsFromModifiers(modifiers);
   flags |= isLeftButtonEvent(event) ? ui::EF_LEFT_MOUSE_BUTTON : 0;
   flags |= isRightButtonEvent(event) ? ui::EF_RIGHT_MOUSE_BUTTON : 0;
   flags |= isMiddleButtonEvent(event) ? ui::EF_MIDDLE_MOUSE_BUTTON : 0;
   return flags;
 }
 
 WindowOpenDisposition WindowOpenDispositionFromNSEvent(NSEvent* event) {
   NSUInteger modifiers = [event modifierFlags];
   return WindowOpenDispositionFromNSEventWithFlags(event, modifiers);
 }
 
 WindowOpenDisposition WindowOpenDispositionFromNSEventWithFlags(
     NSEvent* event, NSUInteger modifiers) {
   int event_flags = EventFlagsFromNSEventWithModifiers(event, modifiers);
   return ui::DispositionFromEventFlags(event_flags);
 }
 
 }  // namespace ui