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

chrome/browser/instant/instant_loader.cc

Index: chrome/browser/instant/instant_loader.cc
diff --git a/chrome/browser/instant/instant_loader.cc b/chrome/browser/instant/instant_loader.cc
index f8debd2f033f81bad4370fd6a0fd1896f070038e..69225c3422b7e920719db69c6e883306f4a71da2 100644
--- a/chrome/browser/instant/instant_loader.cc
+++ b/chrome/browser/instant/instant_loader.cc
@@ -291,6 +291,10 @@ void InstantLoader::StopCapturingKeyStrokes() {
   // focus) doesn't require doing anything explicitly here.
 }
 
+void InstantLoader::NavigateToURL(const GURL& url) {
+  controller_->NavigateToURL(url);

[samarth, 2012/12/07 02:01:35]

Also call InstantSupportDetermined

[Shishir, 2012/12/10 20:40:39]

Added.

Not sure why that is needed. The SearchBoxNavigate IPC should not be called
before the instant support is determined. Right?

+}
+
 void InstantLoader::Observe(int type,
                             const content::NotificationSource& source,
                             const content::NotificationDetails& details) {