Align gyp and GN in //components/sessions dependencies

components/sessions.gypi

 # 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': {
     # Core sources shared by sessions_content and sessions_ios. These can't
     # be a separate shared library since one symbol is implemented higher up in
     # the sessions_content/ios layer.
     'sessions_core_sources': [
@@ skipping 72 matching lines @@
             '../base/base.gyp:base',
             '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
             '../content/content.gyp:content_browser',
             '../skia/skia.gyp:skia',
             '../sync/sync.gyp:sync',
             '../third_party/protobuf/protobuf.gyp:protobuf_lite',
             '../ui/base/ui_base.gyp:ui_base',
             '../ui/gfx/gfx.gyp:gfx_geometry',
             '../url/url.gyp:url_lib',
             'keyed_service_core',
+            'variations',
           ],
           'include_dirs': [
             '..',
           ],
           'defines': [
             'SESSIONS_IMPLEMENTATION',
           ],
           'sources': [
             # Note: sources list duplicated in GN build.
             '<@(sessions_core_sources)',
@@ skipping 28 matching lines @@
           'type': 'static_library',
           'dependencies': [
             '../base/base.gyp:base',
             '../ios/web/ios_web.gyp:ios_web',
             '../sync/sync.gyp:sync',
             '../third_party/protobuf/protobuf.gyp:protobuf_lite',
             '../ui/base/ui_base.gyp:ui_base',
             '../ui/gfx/gfx.gyp:gfx_geometry',
             '../url/url.gyp:url_lib',
             'keyed_service_core',
+            'variations',
           ],
           'include_dirs': [
             '..',
           ],
           'defines': [
             'SESSIONS_IMPLEMENTATION',
           ],
           'sources': [
             '<@(sessions_core_sources)',
 
             'sessions/ios/ios_live_tab.cc',
             'sessions/ios/ios_live_tab.h',
             'sessions/ios/ios_serialized_navigation_builder.cc',
             'sessions/ios/ios_serialized_navigation_builder.h',
             'sessions/ios/ios_serialized_navigation_driver.cc',
             'sessions/ios/ios_serialized_navigation_driver.h',
           ],
         },
       ],
     }],
   ],
 
 }