Remove remaining dead code that was used to implement grouped permission drop downs

chrome/browser/permissions/permission_request_manager.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/permissions/permission_request_manager.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/feature_list.h"
@@ skipping 316 matching lines @@
   // or use us otherwise during the destruction.
   web_contents()->RemoveUserData(UserDataKey());
   // That was the equivalent of "delete this". This object is now destroyed;
   // returning from this function is the only safe thing to do.
 }
 
 const std::vector<PermissionRequest*>& PermissionRequestManager::Requests() {
   return requests_;
 }
 
-const std::vector<bool>& PermissionRequestManager::AcceptStates() {
-  // TODO(crbug.com/728483): Remove this function.
-  CR_DEFINE_STATIC_LOCAL(std::vector<bool>, accept_states, ());
-  return accept_states;
-}
-
-void PermissionRequestManager::ToggleAccept(int request_index, bool new_value) {
-  // TODO(crbug.com/728483): Remove this function.
-}
-
 void PermissionRequestManager::TogglePersist(bool new_value) {
   persist_ = new_value;
 }
 
 void PermissionRequestManager::Accept() {
   PermissionUmaUtil::PermissionPromptAccepted(requests_);
 
   std::vector<PermissionRequest*>::iterator requests_iter;
   for (requests_iter = requests_.begin(); requests_iter != requests_.end();
        requests_iter++) {
@@ skipping 179 matching lines @@
     case DENY_ALL:
       Deny();
       break;
     case DISMISS:
       Closing();
       break;
     case NONE:
       NOTREACHED();
   }
 }