Simulate transient error and verify exponential backoff.

chrome/test/live_sync/live_sync_test.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 "chrome/test/live_sync/live_sync_test.h"
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
@@ skipping 500 matching lines @@
 }
 
 void LiveSyncTest::TriggerBirthdayError() {
   ASSERT_TRUE(ServerSupportsErrorTriggering());
   std::string path = "chromiumsync/birthdayerror";
   ui_test_utils::NavigateToURL(browser(), sync_server_.GetURL(path));
   ASSERT_EQ(ASCIIToUTF16("Birthday error"),
             browser()->GetSelectedTabContents()->GetTitle());
 }
 
+void LiveSyncTest::TriggerTransientError() {
+  ASSERT_TRUE(ServerSupportsErrorTriggering());
+  std::string path = "chromiumsync/transienterror";
+  ui_test_utils::NavigateToURL(browser(), sync_server_.GetURL(path));
+  ASSERT_EQ(ASCIIToUTF16("Transient error"),
+            browser()->GetSelectedTabContents()->GetTitle());
+}
+
 void LiveSyncTest::SetProxyConfig(net::URLRequestContextGetter* context_getter,
                                   const net::ProxyConfig& proxy_config) {
   base::WaitableEvent done(false, false);
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       new SetProxyConfigTask(&done,
                              context_getter,
                              proxy_config));
   done.Wait();
 }