Remove bzip2 code since it is no longer being used.

chrome/chrome_common.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': 'common',
       'type': 'static_library',
       'variables': {
@@ skipping 23 matching lines @@
         '<(DEPTH)/base/base.gyp:base_static',
         '<(DEPTH)/build/temp_gyp/googleurl.gyp:googleurl',
         '<(DEPTH)/chrome/chrome_resources.gyp:chrome_resources',
         '<(DEPTH)/chrome/chrome_resources.gyp:chrome_strings',
         '<(DEPTH)/chrome/chrome_resources.gyp:theme_resources',
         '<(DEPTH)/chrome/common_constants.gyp:common_constants',
         '<(DEPTH)/components/components.gyp:visitedlink_common',
         '<(DEPTH)/content/content.gyp:content_common',
         '<(DEPTH)/net/net.gyp:net',
         '<(DEPTH)/skia/skia.gyp:skia',
-        '<(DEPTH)/third_party/bzip2/bzip2.gyp:bzip2',
         '<(DEPTH)/third_party/icu/icu.gyp:icui18n',
         '<(DEPTH)/third_party/icu/icu.gyp:icuuc',
         '<(DEPTH)/third_party/libxml/libxml.gyp:libxml',
         '<(DEPTH)/third_party/mt19937ar/mt19937ar.gyp:mt19937ar',
         '<(DEPTH)/third_party/sqlite/sqlite.gyp:sqlite',
         '<(DEPTH)/third_party/zlib/zlib.gyp:zip',
         '<(DEPTH)/ui/ui.gyp:ui_resources',
         '<(DEPTH)/webkit/support/webkit_support.gyp:user_agent',
       ],
       'sources': [
@@ skipping 48 matching lines @@
         'common/automation_constants.h',
         'common/automation_events.cc',
         'common/automation_events.h',
         'common/automation_id.cc',
         'common/automation_id.h',
         'common/automation_messages.cc',
         'common/automation_messages.h',
         'common/automation_messages_internal.h',
         'common/badge_util.cc',
         'common/badge_util.h',
-        'common/bzip2_error_handler.cc',
         'common/cancelable_task_tracker.cc',
         'common/cancelable_task_tracker.h',
         'common/child_process_logging.h',
         'common/child_process_logging_mac.mm',
         'common/child_process_logging_posix.cc',
         'common/child_process_logging_win.cc',
         'common/chrome_content_client.cc',
         'common/chrome_content_client.h',
         'common/chrome_content_client_ios.mm',
         'common/chrome_notification_types.h',
@@ skipping 628 matching lines @@
         'common/metrics/proto/user_action_event.proto',
       ],
       'variables': {
         'proto_in_dir': 'common/metrics/proto',
         'proto_out_dir': 'chrome/common/metrics/proto',
       },
       'includes': [ '../build/protoc.gypi' ],
     },
   ],
 }