[tools/perf] Create a list of tags for system_health_story

tools/perf/page_sets/system_health/system_health_story.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.
 
 from page_sets.system_health import platforms
+from page_sets.system_health import story_tags
 
 from telemetry import decorators
 from telemetry.page import page
 from telemetry.page import shared_page_state
 
 
 # Extra wait time after the page has loaded required by the loading metric. We
 # use it in all benchmarks to avoid divergence between benchmarks.
 # TODO(petrcermak): Switch the memory benchmarks to use it as well.
 _WAIT_TIME_AFTER_LOAD = 10
@@ skipping 42 matching lines @@
 class SystemHealthStory(page.Page):
   """Abstract base class for System Health user stories."""
   __metaclass__ = _MetaSystemHealthStory
 
   # The full name of a single page story has the form CASE:GROUP:PAGE (e.g.
   # 'load:search:google').
   NAME = NotImplemented
   URL = NotImplemented
   ABSTRACT_STORY = True
   SUPPORTED_PLATFORMS = platforms.ALL_PLATFORMS
+  TAGS = None
 
   def __init__(self, story_set, take_memory_measurement):
     case, group, _ = self.NAME.split(':')
+    tags = []
+    if self.TAGS:
+      for t in self.TAGS:
+        assert t in story_tags.ALL_TAGS
+        tags.append(t.name)
     super(SystemHealthStory, self).__init__(
         shared_page_state_class=_SystemHealthSharedState, page_set=story_set,
-        name=self.NAME, url=self.URL,
+        name=self.NAME, url=self.URL, tags=tags,
         credentials_path='../data/credentials.json',
         grouping_keys={'case': case, 'group': group})
     self._take_memory_measurement = take_memory_measurement
 
   @classmethod
   def CanRun(cls, possible_browser):
     if (decorators.ShouldSkip(cls, possible_browser)[0] or
         cls.ShouldDisable(possible_browser)):
       return False
     return True
@@ skipping 20 matching lines @@
     pass
 
   def RunNavigateSteps(self, action_runner):
     self._Login(action_runner)
     super(SystemHealthStory, self).RunNavigateSteps(action_runner)
 
   def RunPageInteractions(self, action_runner):
     action_runner.tab.WaitForDocumentReadyStateToBeComplete()
     self._DidLoadDocument(action_runner)
     self._Measure(action_runner)