Create services/gcm directory and add some initial files

chrome/browser/services/gcm/gcm_profile_service_factory.cc

+// Copyright (c) 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/services/gcm/gcm_profile_service_factory.h"
+
+#include "chrome/browser/profiles/incognito_helpers.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/services/gcm/gcm_profile_service.h"
+#include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
+
+namespace gcm {
+
+// static
+GCMProfileService* GCMProfileServiceFactory::GetForProfile(Profile* profile) {
+  if (!gcm::GCMProfileService::IsGCMEnabled())
+    return NULL;
+
+  return static_cast<GCMProfileService*>(
+      GetInstance()->GetServiceForBrowserContext(profile, true));
+}
+
+// static
+GCMProfileServiceFactory* GCMProfileServiceFactory::GetInstance() {
+  return Singleton<GCMProfileServiceFactory>::get();
+}
+
+GCMProfileServiceFactory::GCMProfileServiceFactory()
+    : BrowserContextKeyedServiceFactory(
+        "GCMProfileService",
+        BrowserContextDependencyManager::GetInstance()) {
+}
+
+GCMProfileServiceFactory::~GCMProfileServiceFactory() {
+}
+
+BrowserContextKeyedService* GCMProfileServiceFactory::BuildServiceInstanceFor(
+    content::BrowserContext* profile) const {
+  return gcm::GCMProfileService::IsGCMEnabled() ?
+      new GCMProfileService(static_cast<Profile*>(profile)) : NULL;
+}
+
+content::BrowserContext* GCMProfileServiceFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  return chrome::GetBrowserContextOwnInstanceInIncognito(context);
+}
+
+}  // namespace gcm