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 d0f652c9eda92bc30af3a6cb20d9e1407ef52d90..e8cf797106ff271a3c916518a1bb4df9d67549a4 100644
--- a/chrome/browser/ui/search/instant_test_utils.cc
+++ b/chrome/browser/ui/search/instant_test_utils.cc
@@ -55,8 +55,7 @@ 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_)