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

chrome/browser/ui/permission_bubble/permission_bubble_browser_test_util.cc

 // Copyright 2015 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/ui/permission_bubble/permission_bubble_browser_test_util.h"
 
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/permissions/mock_permission_request.h"
@@ skipping 11 matching lines @@
     : PermissionPrompt::Delegate() {
 }
 
 TestPermissionBubbleViewDelegate::~TestPermissionBubbleViewDelegate() {}
 
 const std::vector<PermissionRequest*>&
 TestPermissionBubbleViewDelegate::Requests() {
   return requests_;
 }
 
-const std::vector<bool>& TestPermissionBubbleViewDelegate::AcceptStates() {
-  return accept_states_;
-}
-
 PermissionBubbleBrowserTest::PermissionBubbleBrowserTest() {
 }
 
 PermissionBubbleBrowserTest::~PermissionBubbleBrowserTest() {
 }
 
 void PermissionBubbleBrowserTest::SetUpOnMainThread() {
   ExtensionBrowserTest::SetUpOnMainThread();
 
   // Add a single permission request.
@@ skipping 29 matching lines @@
 }
 
 PermissionBubbleKioskBrowserTest::~PermissionBubbleKioskBrowserTest() {
 }
 
 void PermissionBubbleKioskBrowserTest::SetUpCommandLine(
     base::CommandLine* command_line) {
   PermissionBubbleBrowserTest::SetUpCommandLine(command_line);
   command_line->AppendSwitch(switches::kKioskMode);
 }