Align gyp and GN in //components/sessions dependencies

components/sessions/BUILD.gn

 # Copyright 2014 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.
 
 if (is_android) {
   import("//build/config/android/config.gni")
 }
 
 config("implementation") {
   defines = [ "SESSIONS_IMPLEMENTATION" ]
@@ skipping 101 matching lines @@
 
   configs += [ ":implementation" ]
 
   public_deps = [
     "//components/keyed_service/core",
     "//sync/protocol",
   ]
 
   deps = [
     "//base",
+    "//components/keyed_service/core",
     "//components/variations",
     "//skia",
     "//sync",
     "//ui/base",
     "//ui/gfx",
     "//url",
   ]
 }
 
 source_set("test_support") {
@@ skipping 47 matching lines @@
   deps = [
     ":test_support",
     "//base/test:test_support",
     "//content/public/common",
     "//sync",
     "//testing/gtest",
     "//ui/base",  # For page transition types.
     "//url",
   ]
 }