Commit instant loader when the instant page navigates away from instant URL.

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 e6f2b7930a104bc970ae10fca7cba12ca1f01d95..08d6fc34e2116cea4735f7b5300f977ca938a8a5 100644
--- a/chrome/browser/instant/instant_loader.cc
+++ b/chrome/browser/instant/instant_loader.cc
@@ -295,6 +295,10 @@ void InstantLoader::RenderViewGone() {
   controller_->InstantLoaderRenderViewGone();
 }
 
+void InstantLoader::AboutToNavigateMainFrame(const GURL& url) {
+  controller_->InstantLoaderAboutToNavigateMainFrame(url);
+}
+
 void InstantLoader::Observe(int type,
                             const content::NotificationSource& source,
                             const content::NotificationDetails& details) {