Move chrome_proxy tests from under tools/perf to tools/chrome_proxy/integration_tests.

tools/chrome_proxy/integration_tests/chrome_proxy_pagesets/safebrowsing.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.
+
 from telemetry.page import page as page_module
 from telemetry.page import page_set as page_set_module
 
 
 class SafebrowsingPage(page_module.Page):
 
   """
   Why: Expect 'malware ahead' page. Use a short navigation timeout because no
   response will be received.
   """
 
   def __init__(self, url, page_set):
     super(SafebrowsingPage, self).__init__(url=url, page_set=page_set)
     self.archive_data_file = '../data/chrome_proxy_safebrowsing.json'
 
   def RunNavigateSteps(self, action_runner):
     action_runner.NavigateToPage(self, timeout_in_seconds=5)
 
 
 class SafebrowsingPageSet(page_set_module.PageSet):
 
   """ Chrome proxy test sites """
 
   def __init__(self):
     super(SafebrowsingPageSet, self).__init__(
       archive_data_file='../data/chrome_proxy_safebrowsing.json')
 
     self.AddPage(SafebrowsingPage('http://www.ianfette.org/', self))