[components] Make zip a component so that src/chromeos can use it.

components/components_tests.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.
 
 {
   'conditions': [
     ['OS != "ios"', {
       'targets': [
         {
           'target_name': 'components_unittests',
           'type': '<(gtest_target_type)',
           'sources': [
             'auto_login_parser/auto_login_parser_unittest.cc',
             'webdata/encryptor/encryptor_password_mac_unittest.cc',
             'webdata/encryptor/encryptor_unittest.cc',
             'navigation_interception/intercept_navigation_resource_throttle_unittest.cc',
             'test/run_all_unittests.cc',
             'visitedlink/test/visitedlink_unittest.cc',
+            'zip/zip_reader_unittest.cc',
+            'zip/zip_unittest.cc',
           ],
           'include_dirs': [
             '..',
           ],
           'dependencies': [
             '../base/base.gyp:test_support_base',
             '../testing/gmock.gyp:gmock',
             '../testing/gtest.gyp:gtest',
 
             # Dependencies of auto_login_parser
             'auto_login_parser',
 
             # Dependencies of encryptor
             'encryptor',
 
             # Dependencies of intercept_navigation_resource_throttle_unittest.cc
             '../content/content.gyp:test_support_content',
             '../skia/skia.gyp:skia',
             'navigation_interception',
 
             # Dependencies of visitedlink
             'visitedlink_browser',
             'visitedlink_renderer',
             '../content/content_resources.gyp:content_resources',
+
+            # Dependencies of zip
+            'zip',
           ],
           'conditions': [
             ['OS == "android" and gtest_target_type == "shared_library"', {
               'dependencies': [
                 '../testing/android/native_test.gyp:native_test_native_code',
               ]
             }],
             ['OS=="win" and win_use_allocator_shim==1', {
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
@@ skipping 18 matching lines @@
                 'input_shlib_path': '<(SHARED_LIB_DIR)/<(SHARED_LIB_PREFIX)components_unittests<(SHARED_LIB_SUFFIX)',
               },
               'includes': [ '../build/apk_test.gypi' ],
             },
           ],
         }],
       ],
     }],
   ],
 }