[GCM] Make sure GCM checkout logic is invoked when the profile is signed out

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..7d69fd3c561eefcdfe9318c9c7d38b7bb3d1dff1 100644
--- a/google_apis/gcm/gcm_client_impl_unittest.cc
+++ b/google_apis/gcm/gcm_client_impl_unittest.cc
@@ -283,6 +283,8 @@ void GCMClientImplTest::InitializeGCMClient() {
                           message_loop_.message_loop_proxy(),
                           url_request_context_getter_,
                           this);
+  // Starting check-in.
+  gcm_client_->CheckIn();
 #if defined(OS_MACOSX)
   // On OSX, prevent the Keychain permissions popup during unit tests.
   Encryptor::UseMockKeychain(true);  // Must be after Initialize.