Show status bubble for links that have keyboard focus....

chrome/renderer/render_view.cc

Index: chrome/renderer/render_view.cc
===================================================================
--- chrome/renderer/render_view.cc	(revision 30061)
+++ chrome/renderer/render_view.cc	(working copy)
@@ -1612,10 +1612,11 @@
 void RenderView::setStatusText(const WebString& text) {
 }
 
-void RenderView::setMouseOverURL(const WebURL& url) {
-  GURL latest_url(url);
+void RenderView::UpdateTargetURL(const GURL& url, const GURL& fallback_url) {
+  GURL latest_url = url.spec().empty() ? fallback_url : url;
   if (latest_url == target_url_)
     return;
+
   // Tell the browser to display a destination link.
   if (target_url_status_ == TARGET_INFLIGHT ||
       target_url_status_ == TARGET_PENDING) {
@@ -1631,6 +1632,16 @@
   }
 }
 
+void RenderView::setMouseOverURL(const WebURL& url) {
+  mouse_over_url_ = GURL(url);
+  UpdateTargetURL(mouse_over_url_, focus_url_);
+}
+
+void RenderView::setKeyboardFocusURL(const WebURL& url) {
+  focus_url_ = GURL(url);
+  UpdateTargetURL(focus_url_, mouse_over_url_);
+}
+
 void RenderView::setToolTipText(const WebString& text, WebTextDirection hint) {
   Send(new ViewHostMsg_SetTooltipText(routing_id_, UTF16ToWideHack(text),
                                       hint));