Make the morejs page cycler measure cold times better.

tools/perf/benchmarks/page_cycler.py

 # Copyright (c) 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 measurements import page_cycler
 from telemetry import test
 
 
 class PageCyclerBloat(test.Test):
   test = page_cycler.PageCycler
@@ skipping 34 matching lines @@
 
 class PageCyclerIntlKoThVi(test.Test):
   test = page_cycler.PageCycler
   page_set = 'page_sets/intl_ko_th_vi.json'
   options = {'pageset_repeat_iters': 10}
 
 
 class PageCyclerMorejs(test.Test):
   test = page_cycler.PageCycler
   page_set = 'page_sets/page_cycler/morejs.json'
-  options = {'pageset_repeat_iters': 10}
+  options = {'pageset_repeat_iters': 20,
+             'cold_load_percent': 50}
 
 
 class PageCyclerMoz(test.Test):
   test = page_cycler.PageCycler
   page_set = 'page_sets/page_cycler/moz.json'
   options = {'pageset_repeat_iters': 10}
 
 
 class PageCyclerNetsimTop10(test.Test):
   """Measures load time of the top 10 sites under simulated cable network."""
@@ skipping 34 matching lines @@
   options = {'pageset_repeat_iters': 10}
 
 
 # crbug.com/273986: This test is really flakey on xp.
 # cabug.com/341843: This test is always timing out on Android.
 @test.Disabled('android', 'win')
 class PageCyclerTypical25(test.Test):
   test = page_cycler.PageCycler
   page_set = 'page_sets/typical_25.json'
   options = {'pageset_repeat_iters': 10}