Remove WebCore dependencies from accessibility_ui_element.

webkit/api/src/WebAccessibilityObject.cpp

Index: webkit/api/src/WebAccessibilityObject.cpp
diff --git a/webkit/api/src/WebAccessibilityObject.cpp b/webkit/api/src/WebAccessibilityObject.cpp
index b53f890ca5026080feeeedca7dc729d14e469a37..a2aaae47f4a861929cd90b61440c2fb4f65c7581 100755
--- a/webkit/api/src/WebAccessibilityObject.cpp
+++ b/webkit/api/src/WebAccessibilityObject.cpp
@@ -29,9 +29,9 @@
  */
 
 #include "config.h"
-#include "WebAccessibilityObject.h"
-
 #include "AccessibilityObject.h"
+#include "WebAccessibilityObject.h"
+#include "WebString.h"
 
 using namespace WebCore;
 
@@ -53,6 +53,60 @@ void WebAccessibilityObject::assign(const WebKit::WebAccessibilityObject& other)
     assign(p);
 }
 
+WebString WebAccessibilityObject::accessibilityDescription() const
+{
+    if (!m_private)
+        return WebString();
+
+    m_private->updateBackingStore();
+    return m_private->accessibilityDescription();
+}
+
+WebAccessibilityObject WebAccessibilityObject::childAt(unsigned index) const
+{
+    if (!m_private)
+        return WebAccessibilityObject();
+
+    m_private->updateBackingStore();
+    if (m_private->children().size() <= index)
+        return WebAccessibilityObject();
+
+    return m_private->children()[index];
+}
+
+unsigned WebAccessibilityObject::childCount() const
+{
+    if (!m_private)
+        return 0;
+
+    m_private->updateBackingStore();
+    return m_private->children().size();
+}
+
+bool WebAccessibilityObject::isEnabled() const
+{
+    if (!m_private)
+        return 0;
+
+    m_private->updateBackingStore();
+    return m_private->isEnabled();
+}
+
+WebAccessibilityRole WebAccessibilityObject::roleValue() const
+{
+    m_private->updateBackingStore();
+    return static_cast<WebAccessibilityRole>(m_private->roleValue());
+}
+
+WebString WebAccessibilityObject::title() const
+{
+    if (!m_private)
+        return WebString();
+
+    m_private->updateBackingStore();
+    return m_private->title();
+}
+
 WebAccessibilityObject::WebAccessibilityObject(const WTF::PassRefPtr<WebCore::AccessibilityObject>& object)
     : m_private(static_cast<WebAccessibilityObjectPrivate*>(object.releaseRef()))
 {