Cross-process iframe accessibility.

content/renderer/accessibility/renderer_accessibility.h

 // 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.
 
 #ifndef CONTENT_RENDERER_ACCESSIBILITY_RENDERER_ACCESSIBILITY_H_
 #define CONTENT_RENDERER_ACCESSIBILITY_RENDERER_ACCESSIBILITY_H_
 
 #include "content/common/accessibility_messages.h"
 #include "content/public/renderer/render_view_observer.h"
 #include "third_party/WebKit/public/web/WebAXObject.h"
 
 namespace blink {
 class WebDocument;
+class WebElement;
 };
 
 namespace content {
 class RenderViewImpl;
 
 enum RendererAccessibilityType {
   // Turns on Blink accessibility and provides a full accessibility
   // implementation for when assistive technology is running.
   RendererAccessibilityTypeComplete,
 
@@ skipping 61 matching lines @@
 
   // True if verbose logging of accessibility events is on.
   bool logging_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererAccessibility);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_ACCESSIBILITY_RENDERER_ACCESSIBILITY_H_