Remove a variety of no-longer-used query params.

chrome/browser/ui/search/instant_test_utils.cc

Index: chrome/browser/ui/search/instant_test_utils.cc
diff --git a/chrome/browser/ui/search/instant_test_utils.cc b/chrome/browser/ui/search/instant_test_utils.cc
index a6c5d5a30abbbeb99b5ab6f02a6e486c729611ae..71a3bf1ff33a81b1d956a2a2bac6ab8495e1b79a 100644
--- a/chrome/browser/ui/search/instant_test_utils.cc
+++ b/chrome/browser/ui/search/instant_test_utils.cc
@@ -53,8 +53,7 @@ void InstantTestBase::SetupInstant(Browser* browser) {
   // Necessary to use exact URL for both the main URL and the alternate URL for
   // search term extraction to work in InstantExtended.
   data.SetShortName(base::ASCIIToUTF16("name"));
-  data.SetURL(instant_url_.spec() +
-              "q={searchTerms}&is_search&{google:omniboxStartMarginParameter}");
+  data.SetURL(instant_url_.spec() + "q={searchTerms}&is_search");
   data.instant_url = instant_url_.spec();
   data.new_tab_url = ntp_url_.spec();
   if (init_suggestions_url_)