Add browser-global GCMDriver

chrome/browser/services/gcm/gcm_utils.h

 // 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.
 
 #ifndef CHROME_BROWSER_SERVICES_GCM_GCM_UTILS_H_
 #define CHROME_BROWSER_SERVICES_GCM_GCM_UTILS_H_
 
-#include "google_apis/gcm/gcm_client.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+
+class IdentityProvider;
+
+namespace base {
+class FilePath;
+}
+
+namespace net {
+class URLRequestContextGetter;
+}
 
 namespace gcm {
 
-// Returns the chrome build info that is passed to GCM.
-GCMClient::ChromeBuildInfo GetChromeBuildInfo();
+class GCMDriver;
+class GCMClientFactory;
+
+scoped_ptr<GCMDriver> CreateGCMDriverDesktop(
+    scoped_ptr<GCMClientFactory> gcm_client_factory,
+    scoped_ptr<IdentityProvider> identity_provider,
+    const base::FilePath& store_path,
+    const scoped_refptr<net::URLRequestContextGetter>& request_context);
 
 }  // namespace gcm
 
 #endif  // CHROME_BROWSER_SERVICES_GCM_GCM_UTILS_H_