Remove unused embeddedSearch.searchBox APIs

chrome/browser/ui/search/instant_search_prerenderer.cc

Index: chrome/browser/ui/search/instant_search_prerenderer.cc
diff --git a/chrome/browser/ui/search/instant_search_prerenderer.cc b/chrome/browser/ui/search/instant_search_prerenderer.cc
index 921efa013e1a4909326cec5f2d69329fa26779cf..540c720e1ec7ca42a26abc0d18d1f98048bfeb65 100644
--- a/chrome/browser/ui/search/instant_search_prerenderer.cc
+++ b/chrome/browser/ui/search/instant_search_prerenderer.cc
@@ -103,11 +103,10 @@ void InstantSearchPrerenderer::Prerender(const InstantSuggestion& suggestion) {
 }
 
 void InstantSearchPrerenderer::Commit(
-    const base::string16& query,
     const EmbeddedSearchRequestParams& params) {
   DCHECK(prerender_handle_);
   DCHECK(prerender_contents());
-  SearchTabHelper::FromWebContents(prerender_contents())->Submit(query, params);
+  SearchTabHelper::FromWebContents(prerender_contents())->Submit(params);
 }
 
 bool InstantSearchPrerenderer::CanCommitQuery(