Send onsubmit query down to the instant extended overlay page when a navigation is performed from t…

chrome/browser/ui/omnibox/omnibox_edit_model.cc

Index: chrome/browser/ui/omnibox/omnibox_edit_model.cc
diff --git a/chrome/browser/ui/omnibox/omnibox_edit_model.cc b/chrome/browser/ui/omnibox/omnibox_edit_model.cc
index 9794fae72cd2c540812bea37d1fb9089ca0a755a..e606d4c6603b704140a909b845e50d37aae9870e 100644
--- a/chrome/browser/ui/omnibox/omnibox_edit_model.cc
+++ b/chrome/browser/ui/omnibox/omnibox_edit_model.cc
@@ -707,6 +707,14 @@ void OmniboxEditModel::OpenMatch(const AutocompleteMatch& match,
         base::TimeTicks::Now() - time_user_first_modified_omnibox_;
     const GURL destination_url = autocomplete_controller_->
         GetDestinationURL(match, query_formulation_time);
+
+    // If running with instant, notify the instant page that a navigation
+    // is about to take place. Note that only the user-entered content, not the
+    // full match should be sent down to avoid leaking autocompleted content.
+    InstantController* instant = controller_->GetInstant();
+    if (instant)
+      instant->OnNavigate(autocomplete_controller_->input().text());
+
     // This calls RevertAll again.
     base::AutoReset<bool> tmp(&in_revert_, true);
     controller_->OnAutocompleteAccept(destination_url, disposition,