Remove bzip2 code since it is no longer being used.

chrome/chrome_browser_extensions.gypi

 # Copyright (c) 2013 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_extensions',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 14 matching lines @@
         'debugger',
         'in_memory_url_index_cache_proto',
         'installer_util',
         '../build/temp_gyp/googleurl.gyp:googleurl',
         '../content/content.gyp:content_browser',
         '../crypto/crypto.gyp:crypto',
         '../device/device.gyp:device_bluetooth',
         '../net/net.gyp:net',
         '../skia/skia.gyp:skia',
         '../sync/sync.gyp:sync',
-        '../third_party/bzip2/bzip2.gyp:bzip2',
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation',
         '../third_party/icu/icu.gyp:icui18n',
         '../third_party/icu/icu.gyp:icuuc',
         '../third_party/leveldatabase/leveldatabase.gyp:leveldatabase',
         '../third_party/libusb/libusb.gyp:libusb',
         '../third_party/re2/re2.gyp:re2',
         '../ui/base/strings/ui_strings.gyp:ui_strings',
         '../ui/ui.gyp:ui',
         '../ui/ui.gyp:ui_resources',
         '../webkit/support/webkit_support.gyp:glue',
@@ skipping 905 matching lines @@
           'variables': {
             'proto_in_dir': 'browser/chromeos/contacts',
             'proto_out_dir': 'chrome/browser/chromeos/contacts',
           },
           'includes': [ '../build/protoc.gypi' ]
         },
       ],
     },],  # 'chromeos=1'
   ],  # 'conditions'
 }