Componentize component_updater: Split crx_file code off into its own component.

extensions/extensions.gyp

 # Copyright 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
       # GN version: //extensions/common
       'target_name': 'extensions_common',
       'type': 'static_library',
       'dependencies': [
         # TODO(benwells): figure out what to do with the api target and
         # api resources compiled into the chrome resource bundle.
         # http://crbug.com/162530
         '../chrome/chrome_resources.gyp:chrome_resources',
+        '../components/components.gyp:crx_file',
         '../components/components.gyp:url_matcher',
         '../content/content.gyp:content_common',
         '../crypto/crypto.gyp:crypto',
         # For Mojo generated headers for generated_api.cc.
         '../device/serial/serial.gyp:device_serial_mojo',
         '../ipc/ipc.gyp:ipc',
         '../net/net.gyp:net',
         '../third_party/re2/re2.gyp:re2',
         '../ui/base/ui_base.gyp:ui_base',
         '../ui/gfx/gfx.gyp:gfx_geometry',
@@ skipping 12 matching lines @@
         'common/api/sockets/sockets_manifest_data.cc',
         'common/api/sockets/sockets_manifest_data.h',
         'common/api/sockets/sockets_manifest_handler.cc',
         'common/api/sockets/sockets_manifest_handler.h',
         'common/api/sockets/sockets_manifest_permission.cc',
         'common/api/sockets/sockets_manifest_permission.h',
         'common/common_manifest_handlers.cc',
         'common/common_manifest_handlers.h',
         'common/constants.cc',
         'common/constants.h',
-        'common/crx_file.cc',
-        'common/crx_file.h',
         'common/csp_validator.cc',
         'common/csp_validator.h',
         'common/dom_action_types.h',
         'common/draggable_region.cc',
         'common/draggable_region.h',
         'common/error_utils.cc',
         'common/error_utils.h',
         'common/event_filter.cc',
         'common/event_filter.h',
         'common/event_filtering_info.cc',
@@ skipping 852 matching lines @@
           'browser/api/cast_channel/logging.proto'
       ],
       'variables': {
           'proto_in_dir': 'browser/api/cast_channel',
           'proto_out_dir': 'extensions/browser/api/cast_channel',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ]
 }