Move IdentityProvider usage from GCMDriverDesktop to GCMProfileService

components/gcm_driver/gcm_client_impl.cc

Index: components/gcm_driver/gcm_client_impl.cc
diff --git a/components/gcm_driver/gcm_client_impl.cc b/components/gcm_driver/gcm_client_impl.cc
index 2d05aea939a59eda7d7e37e99df7b7e87e3e663a..e9db3fa9aebd082287b1d4fddb39273063ba75b3 100644
--- a/components/gcm_driver/gcm_client_impl.cc
+++ b/components/gcm_driver/gcm_client_impl.cc
@@ -265,7 +265,6 @@ GCMClientImpl::~GCMClientImpl() {
 void GCMClientImpl::Initialize(
     const ChromeBuildInfo& chrome_build_info,
     const base::FilePath& path,
-    const std::vector<std::string>& account_ids,
     const scoped_refptr<base::SequencedTaskRunner>& blocking_task_runner,
     const scoped_refptr<net::URLRequestContextGetter>&
         url_request_context_getter,
@@ -283,7 +282,6 @@ void GCMClientImpl::Initialize(
   network_session_ = new net::HttpNetworkSession(*network_session_params);
 
   chrome_build_info_ = chrome_build_info;
-  account_ids_ = account_ids;
 
   gcm_store_.reset(
       new GCMStoreImpl(path, blocking_task_runner, encryptor.Pass()));
@@ -401,7 +399,6 @@ void GCMClientImpl::StartCheckin() {
   CheckinRequest::RequestInfo request_info(device_checkin_info_.android_id,
                                            device_checkin_info_.secret,
                                            gservices_settings_.digest(),
-                                           account_ids_,
                                            chrome_build_proto);
   checkin_request_.reset(
       new CheckinRequest(gservices_settings_.GetCheckinURL(),