  
  // Returns a subrole based upon the role.
  - (NSString*) subrole {
-@@ -1945,6 +1961,7 @@ - (id)accessibilityAttributeValue:(NSString*)attribute
+@@ -2029,6 +2045,7 @@ - (id)accessibilityAttributeValue:(NSString*)attribute
      return nil;
    }
  

 
 - (NSNumber*)expanded {
   if (![self instanceActive])
@@ -1481,6 +1493,7 @@ - (NSValue*)selectedTextRange {
   return [NSValue valueWithRange:NSMakeRange(selStart, selLength)];
 }
 

 // is concerned.
 @property(nonatomic, readonly) NSString* subrole;
diff --git a/content/browser/accessibility/browser_accessibility_cocoa.mm b/content/browser/accessibility/browser_accessibility_cocoa.mm
index 6b6a156d..a3faece 100644
--- a/content/browser/accessibility/browser_accessibility_cocoa.mm
+++ b/content/browser/accessibility/browser_accessibility_cocoa.mm
@@ -98,6 +98,7 @@
