Check in the thirdparty libs needed for webkitpy.

Tools/Scripts/webkitpy/thirdparty/webpagereplay/third_party/ipfw_win32/README.txt

Index: Tools/Scripts/webkitpy/thirdparty/webpagereplay/third_party/ipfw_win32/README.txt
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+This directory contains the binaries to install and use IPFW and
+DUMMYNET on a Windows Machine. The kernel part is an NDIS module,
+whereas the user interface is a command line program.
+
+1. INSTALL THE NDIS DRIVER
+
+- open the configuration panel for the network card in use
+  (either right click on the icon on the SYSTRAY, or go to
+  Control Panel -> Network and select one card)
+
+- click on Properties->Install->Service->Add
+- click on 'Driver Disk' and select 'netipfw.inf' in this folder
+- select 'ipfw+dummynet' which is the only service you should see
+- click accept on the warnings for the installation of an unknown
+  driver (roughly twice per existing network card)
+
+Now you are ready to use the emulator. To configure it, open a 'cmd'
+window and you can use the ipfw command from the command line.
+Otherwise click on the 'TESTME.bat' which is a batch program that
+runs various tests.
+
+2. UNINSTALL THE DRIVER
+
+- select a network card as above.
+- click on Properties
+- select 'ipfw+dummynet'
+- click on 'Remove'