Mark CloudPrintURLFetcherOverloadTest.Protect as flaky.

chrome/service/cloud_print/cloud_print_url_fetcher_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/command_line.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop_proxy.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/thread.h"
 #include "chrome/common/net/url_request_context_getter.h"
@@ skipping 292 matching lines @@
 // http://code.google.com/p/chromium/issues/detail?id=60426
 TEST_F(CloudPrintURLFetcherBasicTest, FLAKY_HandleRawData) {
   net::TestServer test_server(net::TestServer::TYPE_HTTP, FilePath(kDocRoot));
   ASSERT_TRUE(test_server.Start());
 
   SetHandleRawData(true);
   CreateFetcher(test_server.GetURL("echo"), 0);
   MessageLoop::current()->Run();
 }
 
-TEST_F(CloudPrintURLFetcherOverloadTest, Protect) {
+// http://code.google.com/p/chromium/issues/detail?id=78440
+TEST_F(CloudPrintURLFetcherOverloadTest, FLAKY_Protect) {
   net::TestServer test_server(net::TestServer::TYPE_HTTP, FilePath(kDocRoot));
   ASSERT_TRUE(test_server.Start());
 
   GURL url(test_server.GetURL("defaultresponse"));
 
   // Registers an entry for test url. It only allows 3 requests to be sent
   // in 200 milliseconds.
   net::URLRequestThrottlerManager* manager =
       net::URLRequestThrottlerManager::GetInstance();
   scoped_refptr<net::URLRequestThrottlerEntry> entry(
@@ skipping 25 matching lines @@
   manager->OverrideEntryForTests(url, entry);
 
   CreateFetcher(url, 11);
 
   MessageLoop::current()->Run();
 
   net::URLRequestThrottlerManager::GetInstance()->EraseEntryForTests(url);
 }
 
 }  // namespace.