Remove InstantController::InstantSupportChanged

chrome/browser/ui/search/instant_controller.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_SEARCH_INSTANT_CONTROLLER_H_
 #define CHROME_BROWSER_UI_SEARCH_INSTANT_CONTROLLER_H_
 
 #include <stdint.h>
 
 #include <list>
@@ skipping 31 matching lines @@
 
   // The search mode in the active tab has changed. Bind |instant_tab_| if the
   // |new_mode| reflects an Instant search results page.
   void SearchModeChanged(const SearchMode& old_mode,
                          const SearchMode& new_mode);
 
   // The user switched tabs. Bind |instant_tab_| if the newly active tab is an
   // Instant search results page.
   void ActiveTabChanged();
 
-  // Used by BrowserInstantController to notify InstantController about the
-  // instant support change event for the active web contents.
-  void InstantSupportChanged(InstantSupportState instant_support);
-
   // Resets list of debug events.
   void ClearDebugEvents();
 
   // See comments for |debug_events_| below.
   const std::list<std::pair<int64_t, std::string>>& debug_events() {
     return debug_events_;
   }
 
  private:
   friend class InstantExtendedManualTest;
@@ skipping 47 matching lines @@
   // The search model mode for the active tab.
   SearchMode search_mode_;
 
   // List of events and their timestamps, useful in debugging Instant behaviour.
   mutable std::list<std::pair<int64_t, std::string>> debug_events_;
 
   DISALLOW_COPY_AND_ASSIGN(InstantController);
 };
 
 #endif  // CHROME_BROWSER_UI_SEARCH_INSTANT_CONTROLLER_H_