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

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 20 matching lines @@
         '<(DEPTH)/base/base.gyp:base',
         '<(DEPTH)/base/base.gyp:base_i18n',
         '<(DEPTH)/base/base.gyp:base_prefs',
         '<(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)/components/components.gyp:zip',
         '<(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:minizip',
-        '<(DEPTH)/third_party/zlib/zlib.gyp:zlib',
         '<(DEPTH)/ui/ui.gyp:ui_resources',
         '<(DEPTH)/webkit/support/webkit_support.gyp:user_agent',
       ],
       'sources': [
         '../apps/app_shim/app_shim_messages.h',
         '../extensions/common/constants.cc',
         '../extensions/common/constants.h',
         '../extensions/common/crx_file.cc',
         '../extensions/common/crx_file.h',
         '../extensions/common/draggable_region.cc',
@@ skipping 332 matching lines @@
         'common/url_constants.cc',
         'common/url_constants.h',
         'common/view_type.cc',
         'common/view_type.h',
         'common/web_apps.cc',
         'common/web_apps.h',
         'common/web_resource/web_resource_unpacker.cc',
         'common/web_resource/web_resource_unpacker.h',
         'common/worker_thread_ticker.cc',
         'common/worker_thread_ticker.h',
-        'common/zip.cc',  # Requires zlib directly.
-        'common/zip.h',
-        'common/zip_internal.cc',
-        'common/zip_internal.h',
-        'common/zip_reader.cc',
-        'common/zip_reader.h',
       ],
       'conditions': [
         ['enable_extensions==1', {
           'sources!': [
             'common/extensions/api/extension_api_stub.cc',
           ],
           'dependencies': [
             '../device/device.gyp:device_usb',
           ],
         }, {  # enable_extensions == 0
@@ skipping 312 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' ],
     },
   ],
 }