Remove WebCore dependencies from accessibility_ui_element.

webkit/api/public/WebAccessibilityObject.h

Index: webkit/api/public/WebAccessibilityObject.h
diff --git a/webkit/api/public/WebAccessibilityObject.h b/webkit/api/public/WebAccessibilityObject.h
index 60142fab7088c0d75b370af0d6a5f386ddc64c1b..5bfbdc147444b959c26d956b5901797ca0f20ccd 100644
--- a/webkit/api/public/WebAccessibilityObject.h
+++ b/webkit/api/public/WebAccessibilityObject.h
@@ -32,6 +32,7 @@
 #define WebAccessibilityObject_h
 
 #include "WebCommon.h"
+#include "WebAccessibilityRole.h"
 
 #if WEBKIT_IMPLEMENTATION
 namespace WebCore { class AccessibilityObject; }
@@ -40,6 +41,7 @@ namespace WTF { template <typename T> class PassRefPtr; }
 
 namespace WebKit {
     class WebAccessibilityObjectPrivate;
+    class WebString;
 
     // A container for passing around a reference to AccessibilityObject.
     class WebAccessibilityObject {
@@ -55,6 +57,13 @@ namespace WebKit {
 
         bool isNull() const { return m_private == 0; }
 
+        WebString accessibilityDescription() const;
+        WebAccessibilityObject childAt(unsigned) const;
+        unsigned childCount() const;
+        bool isEnabled() const;
+        WebAccessibilityRole roleValue() const;
+        WebString title() const;
+
 #if WEBKIT_IMPLEMENTATION
         WebAccessibilityObject(const WTF::PassRefPtr<WebCore::AccessibilityObject>&);
         WebAccessibilityObject& operator=(const WTF::PassRefPtr<WebCore::AccessibilityObject>&);