Now pulling WebRTC telemetry pages from https instead of http.

tools/perf/page_sets/webrtc_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.
 import os
 
 from telemetry.page import page as page_module
 from telemetry import story
 
 
-WEBRTC_GITHUB_SAMPLES_URL = 'http://webrtc.github.io/samples/src/content/'
+WEBRTC_GITHUB_SAMPLES_URL = 'https://webrtc.github.io/samples/src/content/'
 
 
 class WebrtcCasesPage(page_module.Page):
 
   def __init__(self, url, page_set, name):
     super(WebrtcCasesPage, self).__init__(
         url=url, page_set=page_set, name=name)
 
     with open(os.path.join(os.path.dirname(__file__),
                            'webrtc_track_peerconnections.js')) as javascript:
@@ skipping 158 matching lines @@
       archive_data_file='data/webrtc_cases.json',
       cloud_storage_bucket=story.PUBLIC_BUCKET)
 
     self.AddStory(Page1(self))
     self.AddStory(Page2(self))
     self.AddStory(Page3(self))
     # Disable page 4-7 until we can implement http://crbug.com/468732. We can
     # get data out from the tests, but it's not very useful yet.
     self.AddStory(Page8(self))
     self.AddStory(Page9(self))