Refactor Permissions related method out of ContentBrowserClient.

chrome/browser/permissions/permission_manager_factory.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/permissions/permission_manager_factory.h"
+
+#include "chrome/browser/permissions/permission_context.h"
+#include "chrome/browser/permissions/permission_manager.h"
+#include "chrome/browser/profiles/incognito_helpers.h"
+#include "chrome/browser/profiles/profile.h"
+#include "components/keyed_service/content/browser_context_dependency_manager.h"
+
+// static
+PermissionManager*
+PermissionManagerFactory::GetForProfile(Profile* profile) {
+  return static_cast<PermissionManager*>(
+      GetInstance()->GetServiceForBrowserContext(profile, true));
+}
+
+// static
+PermissionManagerFactory* PermissionManagerFactory::GetInstance() {
+  return Singleton<PermissionManagerFactory>::get();
+}
+
+PermissionManagerFactory::PermissionManagerFactory()
+    : BrowserContextKeyedServiceFactory(
+        "PermissionManagerFactory",
+        BrowserContextDependencyManager::GetInstance()) {
+  for (KeyedServiceBaseFactory* factory : PermissionContext::GetFactories())
+    DependsOn(factory);
+}
+
+PermissionManagerFactory::~PermissionManagerFactory() {
+}
+
+KeyedService* PermissionManagerFactory::BuildServiceInstanceFor(
+    content::BrowserContext* context) const {
+  return new PermissionManager(Profile::FromBrowserContext(context));
+}
+
+content::BrowserContext*
+PermissionManagerFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  return chrome::GetBrowserContextOwnInstanceInIncognito(context);
+}