Add support for GCM subtypes to desktop Instance ID implementation

components/gcm_driver/gcm_profile_service.h

Index: components/gcm_driver/gcm_profile_service.h
diff --git a/components/gcm_driver/gcm_profile_service.h b/components/gcm_driver/gcm_profile_service.h
index 84bd2742bab5a9a43ff751db9ee53172408fdba2..f1a2813b9b9847bbea50f6cfb1173bde8e1607a5 100644
--- a/components/gcm_driver/gcm_profile_service.h
+++ b/components/gcm_driver/gcm_profile_service.h
@@ -55,6 +55,7 @@ class GCMProfileService : public KeyedService {
       PrefService* prefs,
       base::FilePath path,
       net::URLRequestContextGetter* request_context,
+      const std::string& product_shortname,
       version_info::Channel channel,
       std::unique_ptr<ProfileIdentityProvider> identity_provider,
       std::unique_ptr<GCMClientFactory> gcm_client_factory,