Move all components/offline_pages/ files into component/offline_pages/core

chrome/browser/ui/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.
 
 import("//build/config/chromecast_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 492 matching lines @@
     "//components/history/content/browser",
     "//components/infobars/core",
     "//components/invalidation/impl",
     "//components/keyed_service/content",
     "//components/keyed_service/core",
     "//components/metrics:profiler",
     "//components/mime_util",
     "//components/net_log",
     "//components/ntp_snippets",
     "//components/ntp_tiles",
-    "//components/offline_pages",
-    "//components/offline_pages/background:background_offliner",
+    "//components/offline_pages/core",
+    "//components/offline_pages/core/background:background_offliner",
     "//components/omnibox/browser",
     "//components/onc",
     "//components/password_manager/content/browser",
     "//components/password_manager/core/browser",
     "//components/password_manager/sync/browser",
     "//components/pdf/browser",
     "//components/policy/core/browser",
     "//components/pref_registry",
     "//components/proximity_auth",
     "//components/proxy_config",
@@ skipping 2957 matching lines @@
       "test/test_confirm_bubble_model.cc",
       "test/test_confirm_bubble_model.h",
     ]
     deps += [ "//chrome/test:test_support_ui" ]
   }
 
   if (enable_extensions) {
     deps += [ "//extensions/browser" ]
   }
 }