[GCM] Remove all persisted data and close connections when signing out of a profile

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 b0487785f5ab11ac58a3a6e387dc5b216f5fcda3..d5b20dd586a7b3fde706912b1706cba3b90be954 100644
--- a/google_apis/gcm/gcm_client_impl_unittest.cc
+++ b/google_apis/gcm/gcm_client_impl_unittest.cc
@@ -329,6 +329,12 @@ TEST_F(GCMClientImplTest, LoadingCompleted) {
   EXPECT_EQ(kDeviceSecurityToken, mcs_client()->last_security_token());
 }
 
+TEST_F(GCMClientImplTest, CheckOut) {
+  EXPECT_TRUE(mcs_client());
+  gcm_client()->CheckOut();
+  EXPECT_FALSE(mcs_client());
+}
+
 TEST_F(GCMClientImplTest, RegisterApp) {
   std::vector<std::string> senders;
   senders.push_back("sender");