Enable browser tests with glibc.

tools/browser_tester/browsertester/server.py

 # Copyright (c) 2011 The Native Client 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 BaseHTTPServer
 import cgi
 import os
 import os.path
 import posixpath
 import SimpleHTTPServer
@@ skipping 28 matching lines @@
     words = [word for word in words if word not in bad]
     # The path of the request should always use POSIX-style path separators, so
     # that the filename input of --map_file can be a POSIX-style path and still
     # match correctly in translate_path().
     return '/'.join(words)
 
   def translate_path(self, path):
     path = self.NormalizePath(path)
     if path in self.server.file_mapping:
       return self.server.file_mapping[path]
-    elif not path.endswith('favicon.ico') and not self.server.allow_404:
+    for extra_dir in self.server.serving_dirs:
+      full_path = os.path.join(extra_dir, path)
+      if os.path.isfile(full_path):
+        return full_path
+    if not path.endswith('favicon.ico') and not self.server.allow_404:
       self.server.listener.ServerError('Cannot find file \'%s\'' % path)
     return path
 
   def SendRPCResponse(self, response):
     self.send_response(200)
     self.send_header("Content-type", "text/plain")
     self.send_header("Content-length", str(len(response)))
     self.end_headers()
     self.wfile.write(response)
 
@@ skipping 104 matching lines @@
   # Disable the built-in logging
   def log_message(self, format, *args):
     pass
 
 
 # NOTE: SocketServer.ThreadingMixIn seems to cause stability problems
 # when using older versions of Python.
 class Server(BaseHTTPServer.HTTPServer):
 
   def Configure(
-      self, file_mapping, redirect_mapping, allow_404, bandwidth, listener):
+    self, file_mapping, redirect_mapping, allow_404, bandwidth, listener,
+    serving_dirs=[]):
     self.file_mapping = file_mapping
     self.redirect_mapping = redirect_mapping
     self.allow_404 = allow_404
     self.bandwidth = bandwidth
     self.listener = listener
     self.rpc_lock = threading.Lock()
+    self.serving_dirs = serving_dirs
 
   def TestingBegun(self, timeout):
     self.test_in_progress = True
     # self.timeout does not affect Python 2.5.
     self.timeout = timeout
     self.ResetTimeout()
     self.JavaScriptIsAlive()
 
   def ResetTimeout(self):
     self.last_activity = time.time()
 
   def JavaScriptIsAlive(self):
     self.last_js_activity = time.time()
 
   def TimeSinceJSHeartbeat(self):
     return time.time() - self.last_js_activity
 
   def TestingEnded(self):
     self.test_in_progress = False
 
   def TimedOut(self, total_time):
     return (total_time >= 0.0 and
             (time.time() - self.last_activity) >= total_time)
 
 
 def Create(host, port):
   return Server((host, port), RequestHandler)