[Telemetry] Reorganize everything.

tools/telemetry/telemetry/util.py

-# Copyright (c) 2012 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.
-import inspect
-import socket
-import time
-
-class TimeoutException(Exception):
-  pass
-
-def WaitFor(condition,
-            timeout, poll_interval=0.1,
-            pass_time_left_to_func=False):
-  assert isinstance(condition, type(lambda: None))  # is function
-  start_time = time.time()
-  while True:
-    if pass_time_left_to_func:
-      res = condition(max((start_time + timeout) - time.time(), 0.0))
-    else:
-      res = condition()
-    if res:
-      break
-    if time.time() - start_time > timeout:
-      if condition.__name__ == '<lambda>':
-        try:
-          condition_string = inspect.getsource(condition).strip()
-        except IOError:
-          condition_string = condition.__name__
-      else:
-        condition_string = condition.__name__
-      raise TimeoutException('Timed out while waiting %ds for %s.' %
-                             (timeout, condition_string))
-    time.sleep(poll_interval)
-
-def FindElementAndPerformAction(tab, text, callback_code):
-  """JavaScript snippet for finding an element with a given text on a page."""
-  code = """
-      (function() {
-        var callback_function = """ + callback_code + """;
-        function _findElement(element, text) {
-          if (element.innerHTML == text) {
-            callback_function
-            return element;
-          }
-          for (var i in element.childNodes) {
-            var found = _findElement(element.childNodes[i], text);
-            if (found)
-              return found;
-          }
-          return null;
-        }
-        var _element = _findElement(document, \"""" + text + """\");
-        return callback_function(_element);
-      })();"""
-  return tab.EvaluateJavaScript(code)
-
-class PortPair(object):
-  def __init__(self, local_port, remote_port):
-    self.local_port = local_port
-    self.remote_port = remote_port
-
-def GetAvailableLocalPort():
-  tmp = socket.socket()
-  tmp.bind(('', 0))
-  port = tmp.getsockname()[1]
-  tmp.close()
-
-  return port