Refactor cache counting into a separate helper class

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")
@@ skipping 1311 matching lines @@
       "../browser/browsing_data/autofill_counter_browsertest.cc",
       "../browser/browsing_data/browsing_data_cache_storage_helper_browsertest.cc",
       "../browser/browsing_data/browsing_data_database_helper_browsertest.cc",
       "../browser/browsing_data/browsing_data_helper_browsertest.h",
       "../browser/browsing_data/browsing_data_indexed_db_helper_browsertest.cc",
       "../browser/browsing_data/browsing_data_local_storage_helper_browsertest.cc",
       "../browser/browsing_data/browsing_data_remover_browsertest.cc",
       "../browser/browsing_data/browsing_data_remover_test_util.cc",
       "../browser/browsing_data/browsing_data_remover_test_util.h",
       "../browser/browsing_data/cache_counter_browsertest.cc",
+      "../browser/browsing_data/cache_test_util.cc",

[msramek, 2016/12/20 01:03:00]

Also add .h?

[dullweber, 2016/12/21 10:29:19]

Done.

+      "../browser/browsing_data/conditional_cache_counting_helper_browsertest.cc",
       "../browser/browsing_data/conditional_cache_deletion_helper_browsertest.cc",
       "../browser/browsing_data/downloads_counter_browsertest.cc",
       "../browser/browsing_data/history_counter_browsertest.cc",
       "../browser/browsing_data/media_licenses_counter_browsertest.cc",
       "../browser/browsing_data/passwords_counter_browsertest.cc",
       "../browser/budget_service/budget_manager_browsertest.cc",
       "../browser/chrome_content_browser_client_browsertest.cc",
       "../browser/chrome_main_browsertest.cc",
       "../browser/chrome_navigation_browsertest.cc",
       "../browser/chrome_plugin_browsertest.cc",
@@ skipping 3781 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }