ARIA role menuitemcheckbox, menuitemradio should have AXMenuItemMarkChar ✓.

content/browser/accessibility/browser_accessibility_cocoa.mm

 // Copyright (c) 2012 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 <execinfo.h>
 
 #import "content/browser/accessibility/browser_accessibility_cocoa.h"
 
 #include <map>
 
@@ skipping 97 matching lines @@
     { @"AXARIAAtomic", @"ariaAtomic" },
     { @"AXARIABusy", @"ariaBusy" },
     { @"AXARIALive", @"ariaLive" },
     { @"AXARIARelevant", @"ariaRelevant" },
     { @"AXDropEffects", @"dropeffect" },
     { @"AXGrabbed", @"grabbed" },
     { @"AXInvalid", @"invalid" },
     { @"AXLoaded", @"loaded" },
     { @"AXLoadingProgress", @"loadingProgress" },
     { @"AXPlaceholder", @"placeholder" },
+    { @"AXMenuItemMarkChar", @"menuItemMarkChar"},
     { @"AXRequired", @"required" },
     { @"AXSortDirection", @"sortDirection" },
     { @"AXVisited", @"visited" },
   };
 
   NSMutableDictionary* dict = [[NSMutableDictionary alloc] init];
   const size_t numAttributes = sizeof(attributeToMethodNameContainer) /
                                sizeof(attributeToMethodNameContainer[0]);
   for (size_t i = 0; i < numAttributes; ++i) {
     [dict setObject:attributeToMethodNameContainer[i].methodName
@@ skipping 359 matching lines @@
 
 - (NSString*)orientation {
   if (GetState(browserAccessibility_, ui::AX_STATE_VERTICAL))
     return NSAccessibilityVerticalOrientationValue;
   else if (GetState(browserAccessibility_, ui::AX_STATE_HORIZONTAL))
     return NSAccessibilityHorizontalOrientationValue;
 
   return @"";
 }
 
+- (NSString*)menuItemMarkChar {
+  if (GetState(browserAccessibility_, ui::AX_STATE_CHECKED))
+    return @"\u2713";
+  else
+    return @"nil";
+}
+
 - (NSNumber*)numberOfCharacters {
   std::string value = browserAccessibility_->GetStringAttribute(
       ui::AX_ATTR_VALUE);
   return [NSNumber numberWithInt:value.size()];
 }
 
 // The origin of this accessibility object in the page's document.
 // This is relative to webkit's top-left origin, not Cocoa's
 // bottom-left origin.
 - (NSPoint)origin {
@@ skipping 874 matching lines @@
         [ret addObjectsFromArray:[NSArray arrayWithObjects:
             NSAccessibilityIndexAttribute,
             nil]];
       }
     }
   } else if ([role isEqualToString:NSAccessibilityListRole]) {
     [ret addObjectsFromArray:[NSArray arrayWithObjects:
         NSAccessibilitySelectedChildrenAttribute,
         NSAccessibilityVisibleChildrenAttribute,
         nil]];
+  } else if ([role isEqualToString:NSAccessibilityMenuItemRole]) {
+    [ret addObjectsFromArray:[NSArray arrayWithObjects:
+        @"AXMenuItemMarkChar",
+        nil]];
   }
 
   // Add the url attribute only if it has a valid url.
   if ([self url] != nil) {
     [ret addObjectsFromArray:[NSArray arrayWithObjects:
         NSAccessibilityURLAttribute,
         nil]];
   }
 
   // Live regions.
@@ skipping 214 matching lines @@
   if (!browserAccessibility_)
     return [super hash];
   return browserAccessibility_->GetId();
 }
 
 - (BOOL)accessibilityShouldUseUniqueId {
   return YES;
 }
 
 @end