Remove PermissionContext factories

chrome/browser/media/protected_media_identifier_permission_context_factory.cc

-// Copyright 2013 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/media/protected_media_identifier_permission_context_factory.h"
-
-#include "chrome/browser/media/protected_media_identifier_permission_context.h"
-#include "chrome/browser/profiles/incognito_helpers.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/common/pref_names.h"
-#include "components/keyed_service/content/browser_context_dependency_manager.h"
-#include "components/pref_registry/pref_registry_syncable.h"
-
-// static
-ProtectedMediaIdentifierPermissionContext*
-ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(
-    Profile* profile) {
-  return static_cast<ProtectedMediaIdentifierPermissionContext*>(
-      GetInstance()->GetServiceForBrowserContext(profile, true));
-}
-
-// static
-ProtectedMediaIdentifierPermissionContextFactory*
-ProtectedMediaIdentifierPermissionContextFactory::GetInstance() {
-  return base::Singleton<
-      ProtectedMediaIdentifierPermissionContextFactory>::get();
-}
-
-ProtectedMediaIdentifierPermissionContextFactory::
-ProtectedMediaIdentifierPermissionContextFactory()
-    : PermissionContextFactoryBase(
-          "ProtectedMediaIdentifierPermissionContext",
-          BrowserContextDependencyManager::GetInstance()) {
-}
-
-ProtectedMediaIdentifierPermissionContextFactory::
-~ProtectedMediaIdentifierPermissionContextFactory() {
-}
-
-KeyedService*
-ProtectedMediaIdentifierPermissionContextFactory::BuildServiceInstanceFor(
-    content::BrowserContext* profile) const {
-  return new ProtectedMediaIdentifierPermissionContext(
-      static_cast<Profile*>(profile));
-}