add previously focused node to WebClient::focusedNodeChanged

Source/web/ChromeClientImpl.cpp

Index: Source/web/ChromeClientImpl.cpp
diff --git a/Source/web/ChromeClientImpl.cpp b/Source/web/ChromeClientImpl.cpp
index 7145ffb5f2456fadb91c576534e3a5f9fc155468..57d160757828590677c7eda13a103faaeec625c0 100644
--- a/Source/web/ChromeClientImpl.cpp
+++ b/Source/web/ChromeClientImpl.cpp
@@ -197,13 +197,15 @@ void ChromeClientImpl::takeFocus(WebFocusType type)
         m_webView->client()->focusNext();
 }
 
-void ChromeClientImpl::focusedNodeChanged(Node* node)
+void ChromeClientImpl::focusedNodeChanged(Node* fromNode, Node* toNode)
 {
-    m_webView->client()->focusedNodeChanged(WebNode(node));
+    // FIXME: remove.
+    m_webView->client()->focusedNodeChanged(WebNode(toNode));
+    m_webView->client()->focusedNodeChanged(WebNode(fromNode), WebNode(toNode));
 
     WebURL focusURL;
-    if (node && node->isElementNode() && toElement(node)->isLiveLink())
-        focusURL = toElement(node)->hrefURL();
+    if (toNode && toNode->isElementNode() && toElement(toNode)->isLiveLink())
+        focusURL = toElement(toNode)->hrefURL();
     m_webView->client()->setKeyboardFocusURL(focusURL);
 }