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

chrome/browser/permissions/permission_prompt_android.cc

 // Copyright 2016 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_prompt_android.h"
 
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/permissions/grouped_permission_infobar_delegate_android.h"
 #include "chrome/browser/permissions/permission_dialog_delegate.h"
@@ skipping 58 matching lines @@
 void PermissionPromptAndroid::Closing() {
   if (delegate_)
     delegate_->Closing();
 }
 
 void PermissionPromptAndroid::TogglePersist(bool value) {
   if (delegate_)
     delegate_->TogglePersist(value);
 }
 
-void PermissionPromptAndroid::ToggleAccept(int index, bool value) {
-  if (delegate_)
-    delegate_->ToggleAccept(index, value);
-}
-
 void PermissionPromptAndroid::Accept() {
   if (delegate_)
     delegate_->Accept();
 }
 
 void PermissionPromptAndroid::Deny() {
   if (delegate_)
     delegate_->Deny();
 }
 
@@ skipping 33 matching lines @@
   const std::vector<PermissionRequest*>& requests = delegate_->Requests();
   DCHECK_LT(position, requests.size());
   return requests[position]->GetMessageTextFragment();
 }
 
 // static
 std::unique_ptr<PermissionPrompt> PermissionPrompt::Create(
     content::WebContents* web_contents) {
   return base::MakeUnique<PermissionPromptAndroid>(web_contents);
 }