[perf] Re-enable system_health.memory_* benchmarks

tools/perf/page_sets/system_health/loading_stories.py

 # Copyright 2016 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 logging
 
 from page_sets.login_helpers import dropbox_login
 from page_sets.login_helpers import google_login
 
 from telemetry import story
@@ skipping 104 matching lines @@
             name='taobao',
             url={'desktop': 'https://world.taobao.com/',
                  'mobile': 'http://m.intl.taobao.com/?ali_trackid'}),
         _PageSpec(
             name='yandex',
             url='https://yandex.ru/touchsearch?text=science'),
         # Redirects to the "http://" version.
         _PageSpec(
             name='ebay',
             url='https://www.ebay.com/sch/i.html?_nkw=headphones'),
-        # Using "https://" forces mobile version on desktop. The mobile page
-        # (https://www.flipkart.com/search?q=nexus+5x) almost always freezes
-        # due to crbug.com/611390.
-        _PageSpec(
-            name='flipkart',
-            url={'desktop': 'http://www.flipkart.com/search?q=nexus+5x'}),
     ],
 
     # Social networks.
     'social': [
         # Using Facebook login often causes "404 Not Found" with WPR.
         _PageSpec(
             name='facebook',
             url='https://www.facebook.com/rihanna'),
         _PageSpec(
             name='twitter',
@@ skipping 209 matching lines @@
 
 
 class DesktopMemorySystemHealthStorySet(_MemorySystemHealthStorySet):
   """Desktop user stories for Chrome Memory System Health Plan."""
   PLATFORM = 'desktop'
 
 
 class MobileMemorySystemHealthStorySet(_MemorySystemHealthStorySet):
   """Mobile user stories for Chrome Memory System Health Plan."""
   PLATFORM = 'mobile'