Add bzip2 to the list of libs linked to for unit_tests.

chrome/chrome_tests.gypi

 # Copyright (c) 2010 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.
 
 {
   'variables' : {
     'browser_tests_sources_views_specific': [
       'browser/extensions/browser_action_test_util_views.cc',
       'browser/views/browser_actions_container_browsertest.cc',
     ],
@@ skipping 1860 matching lines @@
         '_USE_32BIT_TIME_T',
       ],
       'dependencies': [
         'browser/sync/protocol/sync_proto.gyp:sync_proto_cpp',
         'common',
         'common_net_test_support',
         'debugger',
         '../skia/skia.gyp:skia',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
+        '../third_party/bzip2/bzip2.gyp:bzip2',        
         '../third_party/libjingle/libjingle.gyp:libjingle',
         'profile_import',
         'syncapi',
         'test_support_unit',
       ],
       'conditions': [
         ['OS=="win"', {
           'sources' : [
             'browser/sync/util/data_encryption_unittest.cc',
           ],
@@ skipping 607 matching lines @@
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }
 
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