Refactor BrowserAccessibility to prepare for AXNode (re-land)

content/browser/accessibility/browser_accessibility_manager_mac.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 "content/browser/accessibility/browser_accessibility_manager_mac.h"
 
 #import "base/logging.h"
 #import "content/browser/accessibility/browser_accessibility_cocoa.h"
 #include "content/common/accessibility_messages.h"
 
@@ skipping 29 matching lines @@
 void BrowserAccessibilityManagerMac::NotifyAccessibilityEvent(
     ui::AXEvent event_type,
     BrowserAccessibility* node) {
   if (!node->IsNative())
     return;
 
   // Refer to AXObjectCache.mm (webkit).
   NSString* event_id = @"";
   switch (event_type) {
     case ui::AX_EVENT_ACTIVEDESCENDANTCHANGED:
-      if (node->role() == ui::AX_ROLE_TREE)
+      if (node->GetRole() == ui::AX_ROLE_TREE)
         event_id = NSAccessibilitySelectedRowsChangedNotification;
       else
         event_id = NSAccessibilityFocusedUIElementChangedNotification;
       break;
     case ui::AX_EVENT_ALERT:
       // Not used on Mac.
       return;
     case ui::AX_EVENT_BLUR:
       // A no-op on Mac.
       return;
@@ skipping 72 matching lines @@
     default:
       LOG(WARNING) << "Unknown accessibility event: " << event_type;
       return;
   }
   BrowserAccessibilityCocoa* native_node = node->ToBrowserAccessibilityCocoa();
   DCHECK(native_node);
   NSAccessibilityPostNotification(native_node, event_id);
 }
 
 }  // namespace content