telemetry: Fix key_silk_cases page whose content was offscreen

tools/perf/page_sets/key_silk_cases.py

 # Copyright 2014 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.
 # pylint: disable=W0401,W0614
 from telemetry.page.actions.all_page_actions import *
 from telemetry.page import page as page_module
 from telemetry.page import page_set as page_set_module
 
 
 class KeySilkCasesPage(page_module.Page):
@@ skipping 231 matching lines @@
   def RunSmoothness(self, action_runner):
     action_runner.Wait(4)
 
 
 class Page14(KeySilkCasesPage):
 
   """ Why: Card expansions with images and text are pretty and common. """
 
   def __init__(self, page_set):
     super(Page14, self).__init__(
-      url='http://jsfiddle.net/bNp2h/2/show/',
+      url='http://jsfiddle.net/bNp2h/3/show/',
       page_set=page_set)
 
     self.gpu_raster = True
 
   def RunSmoothness(self, action_runner):
     action_runner.Wait(4)
 
 
 class Page15(KeySilkCasesPage):
 
@@ skipping 356 matching lines @@
     self.AddPage(Page17(self))
     self.AddPage(Page18(self))
     self.AddPage(Page19(self))
     self.AddPage(Page20(self))
     self.AddPage(Page21(self))
     self.AddPage(Page22(self))
     self.AddPage(Page23(self))
     self.AddPage(Page24(self))
     self.AddPage(Page25(self))
     self.AddPage(Page26(self))