[tools/perf] Move system_health_stories to system_health.loading_stories module

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 275 matching lines @@
 
 class _LoadCase(page_module.Page):
   """Generic System Health user story that loads a page and measures memory."""
 
   def __init__(self, story_set, group, url, page_spec):
     # For example, the name of the story for the |page_spec| with name
     # 'example' from the 'sample' URL |group| will be 'load:sample:example'.
     name = 'load:%s:%s' % (group, page_spec.name)
     super(_LoadCase, self).__init__(
         page_set=story_set, name=name, url=url,
-        credentials_path='data/credentials.json',
+        credentials_path='../data/credentials.json',
         grouping_keys={'case': 'load', 'group': group})
     self._page_spec = page_spec
 
   @property
   def platform(self):
     return self.story_set.PLATFORM
 
   def _TakeMemoryMeasurement(self, action_runner):
     # TODO(petrcermak): This method is essentially the same as
     # MemoryHealthPage._TakeMemoryMeasurement() in memory_health_story.py.
@@ skipping 21 matching lines @@
 
 class _MemorySystemHealthStorySet(story.StorySet):
   """User stories for the System Health Plan.
 
   See https://goo.gl/Jek2NL.
   """
   PLATFORM = NotImplemented
 
   def __init__(self):
     super(_MemorySystemHealthStorySet, self).__init__(
-        archive_data_file='data/memory_system_health_%s.json' % self.PLATFORM,
+        archive_data_file=('../data/memory_system_health_%s.json' %
+                           self.PLATFORM),
         cloud_storage_bucket=story.PARTNER_BUCKET)
 
     for group_name, page_specs in _SINGLE_PAGE_SPECS.iteritems():
       for page_spec in page_specs:
         url = page_spec.url
         if isinstance(url, dict):
           url = url.get(self.PLATFORM)
           if url is None:
             continue  # URL not supported on the platform.
         self.AddStory(_LoadCase(self, group_name, url, page_spec))
 
 
 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'