Add live region root to the cached properties of an AXObject.

public/web/WebAXObject.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 104 matching lines @@
     BLINK_EXPORT bool isVisible() const;
     BLINK_EXPORT bool isVisited() const;
 
     BLINK_EXPORT WebString accessKey() const;
     BLINK_EXPORT WebAXObject ariaActiveDescendant() const;
     BLINK_EXPORT bool ariaControls(WebVector<WebAXObject>& controlsElements) const;
     BLINK_EXPORT bool ariaDescribedby(WebVector<WebAXObject>& describedbyElements) const;
     BLINK_EXPORT bool ariaFlowTo(WebVector<WebAXObject>& flowToElements) const;
     BLINK_EXPORT bool ariaHasPopup() const;
     BLINK_EXPORT bool ariaLabelledby(WebVector<WebAXObject>& labelledbyElements) const;
-    BLINK_EXPORT bool ariaLiveRegionAtomic() const;
-    BLINK_EXPORT bool ariaLiveRegionBusy() const;
-    BLINK_EXPORT WebString ariaLiveRegionRelevant() const;
-    BLINK_EXPORT WebString ariaLiveRegionStatus() const;
     BLINK_EXPORT bool ariaOwns(WebVector<WebAXObject>& ownsElements) const;
     BLINK_EXPORT WebRect boundingBoxRect() const;
     BLINK_EXPORT bool canvasHasFallbackContent() const;
     BLINK_EXPORT WebPoint clickPoint() const;
     BLINK_EXPORT void colorValue(int& r, int& g, int& b) const;
     BLINK_EXPORT double estimatedLoadingProgress() const;
     BLINK_EXPORT WebString helpText() const;
     BLINK_EXPORT int headingLevel() const;
     BLINK_EXPORT int hierarchicalLevel() const;
     BLINK_EXPORT WebAXObject hitTest(const WebPoint&) const;
     BLINK_EXPORT WebString keyboardShortcut() const;
     BLINK_EXPORT WebAXRole role() const;
     BLINK_EXPORT unsigned selectionEnd() const;
     BLINK_EXPORT unsigned selectionEndLineNumber() const;
     BLINK_EXPORT unsigned selectionStart() const;
     BLINK_EXPORT unsigned selectionStartLineNumber() const;
     BLINK_EXPORT WebString stringValue() const;
     BLINK_EXPORT WebString title() const;
     BLINK_EXPORT WebAXObject titleUIElement() const;
     BLINK_EXPORT WebURL url() const;
 
+    // Live regions.
+    BLINK_EXPORT bool isInLiveRegion() const;
+    BLINK_EXPORT bool liveRegionAtomic() const;
+    BLINK_EXPORT bool liveRegionBusy() const;
+    BLINK_EXPORT WebString liveRegionRelevant() const;
+    BLINK_EXPORT WebString liveRegionStatus() const;
+    BLINK_EXPORT bool containerLiveRegionAtomic() const;
+    BLINK_EXPORT bool containerLiveRegionBusy() const;
+    BLINK_EXPORT WebString containerLiveRegionRelevant() const;
+    BLINK_EXPORT WebString containerLiveRegionStatus() const;
+
     BLINK_EXPORT bool supportsRangeValue() const;
     BLINK_EXPORT WebString valueDescription() const;
     BLINK_EXPORT float valueForRange() const;
     BLINK_EXPORT float maxValueForRange() const;
     BLINK_EXPORT float minValueForRange() const;
 
     BLINK_EXPORT WebNode node() const;
     BLINK_EXPORT WebDocument document() const;
     BLINK_EXPORT bool hasComputedStyle() const;
     BLINK_EXPORT WebString computedStyleDisplay() const;
@@ skipping 56 matching lines @@
     operator WTF::PassRefPtr<AXObject>() const;
 #endif
 
 private:
     WebPrivatePtr<AXObject> m_private;
 };
 
 } // namespace blink
 
 #endif