Remove bzip2 code since it is no longer being used.

chrome/chrome_browser_chromeos.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser_chromeos',
       'type': 'static_library',
@@ skipping 43 matching lines @@
         '../crypto/crypto.gyp:crypto',
         '../dbus/dbus.gyp:dbus',
         '../device/device.gyp:device_bluetooth',
         '../media/media.gyp:media',
         '../net/net.gyp:net',
         '../ppapi/ppapi_internal.gyp:ppapi_ipc',  # For PpapiMsg_LoadPlugin
         '../printing/printing.gyp:printing',
         '../skia/skia.gyp:skia',
         '../sync/sync.gyp:sync',
         '../third_party/adobe/flash/flash_player.gyp:flapper_version_h',
-        '../third_party/bzip2/bzip2.gyp:bzip2',
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation',
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation_proto_cpp',
         '../third_party/cld/cld.gyp:cld',
         '../third_party/expat/expat.gyp:expat',
         '../third_party/hunspell/hunspell.gyp:hunspell',
         '../third_party/icu/icu.gyp:icui18n',
         '../third_party/icu/icu.gyp:icuuc',
         '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
         '../third_party/libevent/libevent.gyp:libevent',
         '../third_party/libjingle/libjingle.gyp:libjingle',
@@ skipping 843 matching lines @@
         'browser/chromeos/attestation/attestation_key_payload.proto',
       ],
       'variables': {
         'proto_in_dir': 'browser/chromeos/attestation',
         'proto_out_dir': 'chrome/browser/chromeos/attestation',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }