Remove DetermineIfPageSupportsInstant and all its plumbing

chrome/browser/ui/search/search_ipc_router.cc

Index: chrome/browser/ui/search/search_ipc_router.cc
diff --git a/chrome/browser/ui/search/search_ipc_router.cc b/chrome/browser/ui/search/search_ipc_router.cc
index 613021b849fec73a2d705362f1686d843e349cfa..f4338c1fb3b9037dfe9ca36d9f0c01f704c81ca1 100644
--- a/chrome/browser/ui/search/search_ipc_router.cc
+++ b/chrome/browser/ui/search/search_ipc_router.cc
@@ -107,10 +107,6 @@ void SearchIPCRouter::OnNavigationEntryCommitted() {
   search_box()->SetPageSequenceNumber(commit_counter_);
 }
 
-void SearchIPCRouter::DetermineIfPageSupportsInstant() {
-  search_box()->DetermineIfPageSupportsInstant();
-}
-
 void SearchIPCRouter::SendChromeIdentityCheckResult(
     const base::string16& identity,
     bool identity_match) {
@@ -182,14 +178,6 @@ void SearchIPCRouter::OnTabDeactivated() {
   is_active_tab_ = false;
 }
 
-void SearchIPCRouter::InstantSupportDetermined(int page_seq_no,
-                                               bool instant_support) {
-  if (page_seq_no != commit_counter_)
-    return;
-
-  delegate_->OnInstantSupportDetermined(instant_support);
-}
-
 void SearchIPCRouter::FocusOmnibox(int page_seq_no, OmniboxFocusState state) {
   if (page_seq_no != commit_counter_)
     return;