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diff --git a/tools/site_compare/commands/measure.py b/tools/site_compare/commands/measure.py
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+#!/usr/bin/python2.4
+# Copyright 2008, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#    * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#    * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#    * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Command for measuring how long pages take to load in a browser.
+
+Prerequisites:
+  1. The command_line package from tools/site_compare
+  2. Either the IE BHO or Firefox extension (or both)
+
+Installation:
+  1. Build the IE BHO, or call regsvr32 on a prebuilt binary
+  2. Add a file called "measurepageloadtimeextension@google.com" to
+     the default Firefox profile directory under extensions, containing
+     the path to the Firefox extension root
+
+Invoke with the command line arguments as documented within
+the command line.
+"""
+
+import command_line
+import win32process
+
+from drivers import windowing
+from utils import browser_iterate
+
+def CreateCommand(cmdline):
+  """Inserts the command and arguments into a command line for parsing."""
+  cmd = cmdline.AddCommand(
+    ["measure"],
+    "Measures how long a series of URLs takes to load in one or more browsers.",
+    None,
+    ExecuteMeasure)
+
+  browser_iterate.SetupIterationCommandLine(cmd)
+  cmd.AddArgument(
+    ["-log", "--logfile"], "File to write output", type="string", required=True)
+
+
+def ExecuteMeasure(command):
+  """Executes the Measure command."""
+  
+  def LogResult(url, proc, wnd, result):
+    """Write the result of the browse to the log file."""
+    log_file.write(result)
+
+  log_file = open(command["--logfile"], "w")
+
+  browser_iterate.Iterate(command, LogResult)  
+
+  # Close the log file and return. We're done.
+  log_file.close()