[GCM] Adding a list of accounts present on the client to checkin request

google_apis/gcm/gcm_client_impl_unittest.cc

Index: google_apis/gcm/gcm_client_impl_unittest.cc
diff --git a/google_apis/gcm/gcm_client_impl_unittest.cc b/google_apis/gcm/gcm_client_impl_unittest.cc
index e836196fe4e642c02c4d0a6f9ad1d4bd58a82005..cddc3b3c3e7b219471c53b2d4ec914957d25c80c 100644
--- a/google_apis/gcm/gcm_client_impl_unittest.cc
+++ b/google_apis/gcm/gcm_client_impl_unittest.cc
@@ -280,6 +280,7 @@ void GCMClientImplTest::InitializeGCMClient() {
   checkin_proto::ChromeBuildProto chrome_build_proto;
   gcm_client_->Initialize(chrome_build_proto,
                           temp_directory_.path(),
+                          std::vector<std::string>(),
                           message_loop_.message_loop_proxy(),
                           url_request_context_getter_,
                           this);