Remove SearchIPCRouter::Delegate::OnInstantSupportDetermined

chrome/browser/ui/search/search_ipc_router.h

Index: chrome/browser/ui/search/search_ipc_router.h
diff --git a/chrome/browser/ui/search/search_ipc_router.h b/chrome/browser/ui/search/search_ipc_router.h
index 548511ee1637f21edd6a6f334d8ac79e90ed0541..cfd65655cfd4578a53a5a746daf28a1f248c5dcf 100644
--- a/chrome/browser/ui/search/search_ipc_router.h
+++ b/chrome/browser/ui/search/search_ipc_router.h
@@ -37,11 +37,6 @@ class SearchIPCRouter : public content::WebContentsObserver,
   // the page.
   class Delegate {
    public:
-    // Called upon determination of Instant API support in response to the page
-    // load event.
-    // TODO(treib): Remove this. crbug.com/627747
-    virtual void OnInstantSupportDetermined(bool supports_instant) = 0;
-
     // Called when the page wants the omnibox to be focused. |state| specifies
     // the omnibox focus state.
     virtual void FocusOmnibox(OmniboxFocusState state) = 0;