Add HD browser test to WebRTC suite.

chrome/test/data/webrtc/wsh/webrtc_write_wsh.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.
 #
 # This module is handler for incoming data to the pywebsocket standalone server
 # (source is in http://code.google.com/p/pywebsocket/source/browse/trunk/src/).
 # It follows the conventions of the pywebsocket server and in our case receives
 # and stores incoming frames to disk.
 
 import Queue
 import os
 import sys
 import threading
 
 _NUMBER_OF_WRITER_THREADS = 10
 
-_HOME_ENV_NAME = 'HOMEPATH' if 'win32' == sys.platform else 'HOME'
+_HOME_ENV_NAME = 'USERPROFILE' if 'win32' == sys.platform else 'HOME'
 _WORKING_DIR = os.path.join(os.environ[_HOME_ENV_NAME], 'webrtc_video_quality')
 
 # I couldn't think of other way to handle this but through a global variable
 g_frame_number_counter = 0
 g_frames_queue = Queue.Queue()
 
 
 def web_socket_do_extra_handshake(request):
   pass  # Always accept.
 
@@ skipping 38 matching lines @@
     t = FrameWriterThread(g_frames_queue)
     t.setDaemon(True)
     t.start()
   g_frames_queue.join()
 
 
 # This handler's entire code is imported as 'it is' and then incorporated in the
 # code of the standalone pywebsocket server. If we put this start_threads() call
 # inside a if __name__ == '__main__' clause it wouldn't run this code at all
 # (tested).
-start_threads()
+start_threads()