Create chrome/browser/offline_pages to host browser-related parts of offline_pages whcih

chrome/test/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/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
 import("//chrome/chrome_repack_locales.gni")
+import("//components/offline_pages/features/features.gni")
 import("//components/os_crypt/features.gni")
 import("//components/spellcheck/spellcheck_build_features.gni")
 import("//extensions/features/features.gni")
 import("//media/media_options.gni")
 import("//ppapi/features/features.gni")
 import("//remoting/remoting_enable.gni")
 import("//rlz/features/features.gni")
 import("//services/service_manager/public/service_manifest.gni")
 import("//services/catalog/public/tools/catalog.gni")
 import("//testing/test.gni")
@@ skipping 92 matching lines @@
     "//components/bookmarks/test",
     "//components/captive_portal:test_support",
     "//components/gcm_driver:test_support",
     "//components/gcm_driver/crypto:test_support",
     "//components/gcm_driver/instance_id:test_support",
     "//components/guest_view/browser:test_support",
     "//components/history/core/test:test",
     "//components/infobars/core",
     "//components/metrics:test_support",
     "//components/network_time:network_time_test_support",
-    "//components/offline_pages/core:test_support",
     "//components/omnibox/browser:test_support",
     "//components/password_manager/core/browser:test_support",
     "//components/prefs:test_support",
     "//components/rappor:test_support",
     "//components/search_engines:test_support",
     "//components/sessions:test_support",
     "//components/signin/core/browser:test_support",
     "//components/subresource_filter/content/browser:test_support",
     "//components/subresource_filter/core/common",
     "//components/sync",
@@ skipping 50 matching lines @@
   }
 
   if (enable_extensions) {
     public_deps += [
       "//apps:test_support",
       "//chrome/common/extensions/api",
       "//extensions:test_support",
     ]
   }
 
+  if (enable_offline_pages) {
+    public_deps += [ "//components/offline_pages/core:test_support" ]

[dewittj, 2017/05/15 22:37:13]

hm, I don't know what public_deps is vs deps.

[Dmitry Titov, 2017/05/15 23:23:24]

Here is the explanation:
https://chromium.googlesource.com/chromium/src/+/master/tools/gn/docs/referen...

+  }
+
   if (is_linux) {
     public_deps += [ "//crypto:platform" ]
   }
   if (is_mac) {
     sources += [
       "//chrome/app/chrome_crash_reporter_client.cc",
       "//chrome/app/chrome_crash_reporter_client_mac.mm",
     ]
     public_deps += [
       "//breakpad",
@@ skipping 3204 matching lines @@
     "//ui/gl",
     "//ui/resources",
     "//v8",
   ]
 
   if (is_mac) {
     data_deps += [ "//chrome:chrome_framework" ]
     data += [ "$root_out_dir/Chromium Framework.framework/" ]
   }
 
-  if (is_android) {
+  if (enable_offline_pages) {
     sources += [
-      # Offline pages are currently only on Android.
-      "../browser/android/offline_pages/background_loader_offliner_unittest.cc",
       "../browser/android/offline_pages/offline_page_mhtml_archiver_unittest.cc",
       "../browser/android/offline_pages/offline_page_request_job_unittest.cc",
       "../browser/android/offline_pages/offline_page_utils_unittest.cc",
       "../browser/android/offline_pages/prerender_adapter_unittest.cc",
       "../browser/android/offline_pages/prerendering_loader_unittest.cc",
       "../browser/android/offline_pages/prerendering_offliner_unittest.cc",
       "../browser/android/offline_pages/recent_tab_helper_unittest.cc",
       "../browser/android/offline_pages/test_offline_page_model_builder.cc",
       "../browser/android/offline_pages/test_offline_page_model_builder.h",
       "../browser/android/offline_pages/test_request_coordinator_builder.cc",
       "../browser/android/offline_pages/test_request_coordinator_builder.h",
+      "../browser/offline_pages/background_loader_offliner_unittest.cc",
+    ]
+    deps += [
+      "//components/offline_pages/content/background_loader:test_support",
+      "//components/offline_pages/core:test_support",
+      "//components/offline_pages/core/background:test_support",
+    ]
+  }
+
+  if (is_android) {
+    sources += [
       "../browser/android/search_geolocation/search_geolocation_service_unittest.cc",
       "../browser/autofill/autofill_credit_card_filling_infobar_delegate_mobile_unittest.cc",
       "../browser/autofill/autofill_save_card_infobar_delegate_mobile_unittest.cc",
       "../browser/password_manager/account_chooser_dialog_android_unittest.cc",
       "../browser/password_manager/auto_signin_first_run_dialog_android_unittest.cc",
       "../browser/password_manager/save_password_infobar_delegate_android_unittest.cc",
       "../browser/permissions/permission_queue_controller_unittest.cc",
     ]
     deps += [
       ":unit_tests_java",
       "//components/gcm_driver/instance_id/android:instance_id_driver_java",
       "//components/gcm_driver/instance_id/android:instance_id_driver_test_support_java",
-      "//components/offline_pages/content/background_loader:test_support",
-      "//components/offline_pages/core:test_support",
-      "//components/offline_pages/core/background:test_support",
       "//v8:v8_external_startup_data_assets",
     ]
 
     android_manifest =
         "//chrome/test/android/unit_tests_apk/AndroidManifest.xml"
     enable_multidex = true
   } else {
     # !is_android
     sources += [
       # Bookmark export/import are handled via the BookmarkColumns
@@ skipping 1600 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }