[telemetry] Removing flake in wpr_server.py caused by static port assignment from chrome/test/funct…

chrome/test/functional/webpagereplay.py

Index: chrome/test/functional/webpagereplay.py
diff --git a/chrome/test/functional/webpagereplay.py b/chrome/test/functional/webpagereplay.py
index c6d3350c7b3d828f935de6f9f0d4e9d91b45fbba..22b06e84a323104c6071774ab992c648295c7de1 100755
--- a/chrome/test/functional/webpagereplay.py
+++ b/chrome/test/functional/webpagereplay.py
@@ -13,14 +13,22 @@ Of the public module names, the following ones are key:
 import logging
 import os
 import signal
+import socket
 import subprocess
 import sys
 import time
 import urllib
 
+def GetRandomOpenPort():

[bulach, 2012/11/26 13:53:46]

drive-by: can we re-use / improve this?
http://src.chromium.org/viewvc/chrome/trunk/src/build/android/pylib/ports.py?...

it has a nicer interface to detect whether or not the port is in use, and keep
track of them..

+  tmp = socket.socket()
+  tmp.bind(('', 0))
+  port = tmp.getsockname()[1]
+  tmp.close()
 
-HTTP_PORT = 8080
-HTTPS_PORT = 8413
+  return port
+
+HTTP_PORT = GetRandomOpenPort()
+HTTPS_PORT = GetRandomOpenPort()
 REPLAY_HOST='127.0.0.1'
 CHROME_FLAGS = [
     '--host-resolver-rules=MAP * %s,EXCLUDE localhost' % REPLAY_HOST,