Remove bzip2 code since it is no longer being used.

chrome/chrome_browser.gypi

 # Copyright 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',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 24 matching lines @@
         '../components/components.gyp:webdata_common',
         '../content/content.gyp:content_browser',
         '../content/content.gyp:content_common',
         '../crypto/crypto.gyp:crypto',
         '../google_apis/google_apis.gyp:google_apis',
         '../jingle/jingle.gyp:notifier',
         '../media/media.gyp:media',
         '../skia/skia.gyp:skia',
         '../sql/sql.gyp:sql',
         '../sync/sync.gyp:sync',
-        '../third_party/bzip2/bzip2.gyp:bzip2',
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation',
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:cacheinvalidation_proto_cpp',
         '../third_party/icu/icu.gyp:icui18n',
         '../third_party/icu/icu.gyp:icuuc',
         '../third_party/libjingle/libjingle.gyp:libjingle',
         '../third_party/libxml/libxml.gyp:libxml',
         '../third_party/widevine/cdm/widevine_cdm.gyp:widevine_cdm_version_h',
         '../third_party/zlib/zlib.gyp:zip',
         '../third_party/zlib/zlib.gyp:minizip',
         '../third_party/zlib/zlib.gyp:zlib',
@@ skipping 3100 matching lines @@
             'package_name': 'org/chromium/chrome/browser/ui/toolbar',
             'template_deps': ['browser/ui/toolbar/toolbar_model_security_level_list.h'],
           },
           'includes': [ '../build/android/java_cpp_template.gypi' ],
         },
       ],
      },
     ],
   ],
 }