Turn FaviconClient into a Keyed service.

chrome/browser/favicon/chrome_favicon_client_factory.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/favicon/chrome_favicon_client_factory.h"
+
+#include "chrome/browser/profiles/profile.h"
+#include "components/keyed_service/content/browser_context_dependency_manager.h"
+
+ChromeFaviconClientFactory::ChromeFaviconClientFactory()
+    : BrowserContextKeyedServiceFactory(
+          "ChromeFaviconClient",
+          BrowserContextDependencyManager::GetInstance()) {
+}
+
+ChromeFaviconClientFactory::~ChromeFaviconClientFactory() {
+}
+
+// static
+FaviconClient* ChromeFaviconClientFactory::GetForProfile(Profile* profile) {
+  if (!profile->IsOffTheRecord()) {
+    return static_cast<FaviconClient*>(
+        GetInstance()->GetServiceForBrowserContext(profile, true));
+  }
+  // Profile must be OffTheRecord in this case.
+  return static_cast<FaviconClient*>(GetInstance()->GetServiceForBrowserContext(
+      profile->GetOriginalProfile(), true));
+}
+
+// static
+ChromeFaviconClientFactory* ChromeFaviconClientFactory::GetInstance() {
+  return Singleton<ChromeFaviconClientFactory>::get();
+}
+
+KeyedService* ChromeFaviconClientFactory::BuildServiceInstanceFor(
+    content::BrowserContext* context) const {
+  ChromeFaviconClient* client =
+      new ChromeFaviconClient(Profile::FromBrowserContext(context));
+  return client;
+}
+
+bool ChromeFaviconClientFactory::ServiceIsNULLWhileTesting() const {
+  return true;
+}