Add support for GCM subtypes to desktop Instance ID implementation

components/gcm_driver/gcm_profile_service.cc

Index: components/gcm_driver/gcm_profile_service.cc
diff --git a/components/gcm_driver/gcm_profile_service.cc b/components/gcm_driver/gcm_profile_service.cc
index 6cdb49bb09e5b06a5f975c98dfe1c47e8c318b5c..d79017788a36c53fc7a525140bc1f00b7c40cc5e 100644
--- a/components/gcm_driver/gcm_profile_service.cc
+++ b/components/gcm_driver/gcm_profile_service.cc
@@ -141,6 +141,7 @@ GCMProfileService::GCMProfileService(
     base::FilePath path,
     net::URLRequestContextGetter* request_context,
     version_info::Channel channel,
+    const std::string& category_for_subtypes,
     std::unique_ptr<ProfileIdentityProvider> identity_provider,
     std::unique_ptr<GCMClientFactory> gcm_client_factory,
     const scoped_refptr<base::SequencedTaskRunner>& ui_task_runner,
@@ -150,7 +151,8 @@ GCMProfileService::GCMProfileService(
       request_context_(request_context) {
   driver_ = CreateGCMDriverDesktop(std::move(gcm_client_factory), prefs,
                                    path.Append(gcm_driver::kGCMStoreDirname),
-                                   request_context_, channel, ui_task_runner,
+                                   request_context_, channel,
+                                   category_for_subtypes, ui_task_runner,
                                    io_task_runner, blocking_task_runner);
 
   identity_observer_.reset(new IdentityObserver(