Change for preparation for reference-build on perfbot (media)

chrome/test/functional/media/media_test_base.py

 #!/usr/bin/python
 
 # Copyright (c) 2011 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.
 
 """A framework to run PyAuto HTML media tests.
 
 This PyAuto powered script plays media (video or audio) files (using the HTML5
 tag embedded in an HTML file). The parameters needed to run this test are
@@ skipping 56 matching lines @@
       a tuple of media_url (with proper query string) and a parameter string,
         which is used for performance result display.
     """
     # Read environment variables.
     player_html_url = os.getenv(MediaTestEnvNames.PLAYER_HTML_URL_ENV_NAME,
                                 'DEFAULT')
     player_html_url_nickname = os.getenv(
         MediaTestEnvNames.PLAYER_HTML_URL_NICKNAME_ENV_NAME,
         self.DEFAULT_PLAYER_HTML_URL_NICKNAME)
     extra_nickname = os.getenv(MediaTestEnvNames.EXTRA_NICKNAME_ENV_NAME, '')
+
+    tag = os.getenv(MediaTestEnvNames.MEDIA_TAG_ENV_NAME,
+                    self.DEFAULT_MEDIA_TAG_NAME)
+    query_dictionary = {'tag': tag, 'media': media_filename}
     # This parameter tricks the media cache into thinking
     # it's a new file every time.
     # However, it looks like does not make much difference in
     # performance.
-    add_t_parameter = os.getenv(
-        MediaTestEnvNames.ADD_T_PARAMETER_ENV_NAME) in ('Y', 'y')
-    # Print only playback time data.
-    print_only_time = os.getenv(
-        MediaTestEnvNames.PRINT_ONLY_TIME_ENV_NAME) in ('Y', 'y')
-    tag = os.getenv(MediaTestEnvNames.MEDIA_TAG_ENV_NAME,
-                    self.DEFAULT_MEDIA_TAG_NAME)
-    query_dictionary = {'tag': tag, 'media': media_filename}
-    if add_t_parameter:
+    if os.getenv(MediaTestEnvNames.ADD_T_PARAMETER_ENV_NAME):
       query_dictionary['t'] = 'dummy'
     query_str = '&'.join(
         [k + '=' + str(v) for (k, v) in query_dictionary.items()])
     if player_html_url_nickname == self.DEFAULT_PLAYER_HTML_URL_NICKNAME:
       # Default is local file under DataDir().
       file_url = self.GetFileURLForDataPath(
           os.path.join('media', 'html', self.GetPlayerHTMLFileName()))
       url = file_url + '?' + query_str
     else:
       url = player_html_url + '?' + query_str
@@ skipping 61 matching lines @@
   # overridden.
 
   def PreAllRunsProcess(self):
     """A method to be executed before all runs.
 
     The default behavior is to read parameters for the tests and initialize
     variables.
     """
     self.media_filename = os.getenv(MediaTestEnvNames.MEDIA_FILENAME_ENV_NAME,
                                     self.DEFAULT_MEDIA_FILENAME)
-    self.remove_first_result = (
-        os.getenv(MediaTestEnvNames.REMOVE_FIRST_RESULT_ENV_NAME)
-        in ('Y', 'y'))
+    self.remove_first_result = os.getenv(
+        MediaTestEnvNames.REMOVE_FIRST_RESULT_ENV_NAME)
     self.number_of_runs = int(os.getenv(MediaTestEnvNames.N_RUNS_ENV_NAME,
                                         self.DEFAULT_NUMBER_OF_RUNS))
     self.url, self.parameter_str = self._GetMediaURLAndParameterString(
         self.media_filename)
     self.times = []
 
   def PostAllRunsProcess(self):
     """A method to execute after all runs.
 
     The default behavior is to do nothing
     """
     pass
 
   def PreEachRunProcess(self, run_counter):
     """A method to execute before each run.
 
     The default behavior is to record start time.
 
     Args:
       run_counter: counter for each run.
     """
     self.start = time.time()
+    if os.getenv(MediaTestEnvNames.REFERENCE_BUILD_ENV_NAME):
+      self.current_trace_type = 't_ref'
 
   def PostEachRunProcess(self, run_counter):
     """A method to execute after each run.
 
     The default behavior is to do nothing.
 
     Args:
       run_counter: counter for each run.
     """
     pass
 
   def GetPlayerHTMLFileName(self):
     """A method to get the player HTML file name."""
     return 'media_playback.html'
 
 
 if __name__ == '__main__':
   pyauto_media.Main()