Support additional webkit accessibility notifications and states.

chrome/browser/renderer_host/render_widget_host_view_mac.mm

 // Copyright (c) 2010 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 <QuartzCore/QuartzCore.h>
 
 #include "chrome/browser/renderer_host/render_widget_host_view_mac.h"
 
 #include "chrome/browser/chrome_thread.h"
 #include "app/surface/io_surface_support_mac.h"
@@ skipping 1081 matching lines @@
   return false;
 }
 
 void RenderWidgetHostViewMac::UpdateAccessibilityTree(
     const webkit_glue::WebAccessibility& tree) {
   if (renderer_accessible_) {
     [cocoa_view_ setAccessibilityTree:tree];
   }
 }
 
-void RenderWidgetHostViewMac::OnAccessibilityFocusChange(int acc_obj_id) {
-  NOTIMPLEMENTED();
-}
-
-void RenderWidgetHostViewMac::OnAccessibilityObjectStateChange(int acc_obj_id) {
-  NOTIMPLEMENTED();
-}
-
 void RenderWidgetHostViewMac::SetTextInputActive(bool active) {
   if (active) {
     if (text_input_type_ == WebKit::WebTextInputTypePassword)
       EnablePasswordInput();
     else
       DisablePasswordInput();
   } else {
     if (text_input_type_ == WebKit::WebTextInputTypePassword)
       DisablePasswordInput();
   }
@@ skipping 1327 matching lines @@
   if (!string) return NO;
 
   // If the user is currently using an IME, confirm the IME input,
   // and then insert the text from the service, the same as TextEdit and Safari.
   [self confirmComposition];
   [self insertText:string];
   return YES;
 }
 
 @end