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 9f1e82c294ade030a4037d2e2cc4fc7b7da628c7..391cd0ae241a800db341d52451348d2351043239 100644
--- a/chrome/renderer/searchbox/searchbox.cc
+++ b/chrome/renderer/searchbox/searchbox.cc
@@ -55,6 +55,12 @@ void SearchBox::StopCapturingKeyStrokes() {
       render_view()->GetRoutingID(), render_view()->GetPageId()));
 }
 
+void SearchBox::NavigateToURL(const GURL& url) {
+  render_view()->Send(new ChromeViewHostMsg_SearchBoxNavigate(
+      render_view()->GetRoutingID(), render_view()->GetPageId(),
+      url));
+}
+
 gfx::Rect SearchBox::GetRect() {
   // Need to adjust for scale.
   if (rect_.IsEmpty())