Adding a Endure regression test to catch gmail memory issues (crbug.com/345702).

tools/perf/benchmarks/endure.py

 # Copyright 2013 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.
 
 from telemetry import test
 
 from measurements import endure
 
 
 class _EndureBenchmark(test.Test):
   test = endure.Endure
   # Default options for endure benchmarks. Could be overridden in subclasses.
   options = {
       'skip_navigate_on_repeat': True,
       'page_repeat_secs': 7200,
       'perf_stats_interval': '100s'
   }
 
+
 class EndureCalendarForwardBackward(_EndureBenchmark):
   page_set = 'page_sets/calendar_forward_backward.json'
 
 
 class EndureBrowserControl(_EndureBenchmark):
   page_set = 'page_sets/browser_control.json'
 
 
 class EndureBrowserControlClick(_EndureBenchmark):
   page_set = 'page_sets/browser_control_click.json'
@@ skipping 11 matching lines @@
   page_set = 'page_sets/gmail_expand_collapse_conversation.json'
 
 
 class EndureIndexedDBOffline(_EndureBenchmark):
   page_set = 'page_sets/indexeddb_offline.json'
 
 
 class EndurePlusAltPostsPhotos(_EndureBenchmark):
   page_set = 'page_sets/plus_alt_posts_photos.json'
 
+
+class EndureGmailRefresh(test.Test):
+  test = endure.Endure
+  # Options for endure gmail page refresh benchmark test.
+  options = {
+      'skip_navigate_on_repeat': True,
+      'page_repeat_iters': 20,
+      'perf_stats_interval': '1'
+  }
+  page_set = 'page_sets/endure_gmail_refresh.json'
+