Move UpdateManifest to //extensions

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': [
     {
@@ skipping 10 matching lines @@
         '../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',
         '../ui/gfx/ipc/gfx_ipc.gyp:gfx_ipc',
         '../url/url.gyp:url_lib',
+        '../third_party/libxml/libxml.gyp:libxml',
         'common/api/api.gyp:extensions_api',
         'extensions_strings.gyp:extensions_strings',
       ],
       'include_dirs': [
         '..',
         '<(INTERMEDIATE_DIR)',
       ],
       'sources': [
         'common/api/messaging/message.h',
         'common/api/sockets/sockets_manifest_data.cc',
@@ skipping 154 matching lines @@
         'common/permissions/usb_device_permission_data.cc',
         'common/permissions/usb_device_permission_data.h',
         'common/stack_frame.cc',
         'common/stack_frame.h',
         'common/switches.cc',
         'common/switches.h',
         'common/url_pattern.cc',
         'common/url_pattern.h',
         'common/url_pattern_set.cc',
         'common/url_pattern_set.h',
+        'common/update_manifest.cc',
+        'common/update_manifest.h',
         'common/user_script.cc',
         'common/user_script.h',
         'common/value_counter.cc',
         'common/value_counter.h',
         'common/view_type.cc',
         'common/view_type.h',
       ],
       # Disable c4267 warnings until we fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
       'conditions': [
@@ skipping 680 matching lines @@
       'type': 'static_library',
       'sources': [ 'browser/api/cast_channel/cast_channel.proto' ],
       'variables': {
           'proto_in_dir': 'browser/api/cast_channel',
           'proto_out_dir': 'extensions/browser/api/cast_channel',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ]
 }