Add new IPC for searchbox to pipe SearchBox NavigateContentWindow calls to the browser.

chrome/renderer/searchbox/searchbox.cc

Index: chrome/renderer/searchbox/searchbox.cc
diff --git a/chrome/renderer/searchbox/searchbox.cc b/chrome/renderer/searchbox/searchbox.cc
index cd528569c4a7fddd5eb19e9ed015589fdffadc26..bb6ab1d916a66b906c05737efe598fb1b34d7604 100644
--- a/chrome/renderer/searchbox/searchbox.cc
+++ b/chrome/renderer/searchbox/searchbox.cc
@@ -56,6 +56,13 @@ void SearchBox::StopCapturingKeyStrokes() {
       render_view()->GetRoutingID(), render_view()->GetPageId()));
 }
 
+void SearchBox::NavigateToURL(const GURL& url,
+                              content::PageTransition transition) {
+  render_view()->Send(new ChromeViewHostMsg_SearchBoxNavigate(
+      render_view()->GetRoutingID(), render_view()->GetPageId(),
+      url, transition));
+}
+
 gfx::Rect SearchBox::GetRect() {
   // Need to adjust for scale.
   if (rect_.IsEmpty())