Add HostCachePersistenceManager for Cronet

components/cronet/android/BUILD.gn

 # Copyright 2015 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/buildflag_header.gni")
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 import("//build/util/process_version.gni")
 import("//build/util/version.gni")
 import("//testing/test.gni")
@@ skipping 177 matching lines @@
       "//components/cronet/android/cronet_url_request_context_adapter.cc",
       "//components/cronet/android/cronet_url_request_context_adapter.h",
       "//components/cronet/android/io_buffer_with_byte_buffer.cc",
       "//components/cronet/android/io_buffer_with_byte_buffer.h",
       "//components/cronet/android/metrics_util.cc",
       "//components/cronet/android/metrics_util.h",
       "//components/cronet/android/url_request_error.cc",
       "//components/cronet/android/url_request_error.h",
       "//components/cronet/histogram_manager.cc",
       "//components/cronet/histogram_manager.h",
+      "//components/cronet/host_cache_persistence_manager.cc",
+      "//components/cronet/host_cache_persistence_manager.h",
       "//components/cronet/stale_host_resolver.cc",
       "//components/cronet/stale_host_resolver.h",
       "//components/cronet/url_request_context_config.cc",
       "//components/cronet/url_request_context_config.h",
     ]
 
     include_dirs = [ _cronet_version_header_include_dir ]
 
     cflags = [
       "-DLOGGING=1",
@@ skipping 685 matching lines @@
     "cronet_impl_common_proguard.cfg",
     "test/proguard.cfg",
     "//base/android/proguard/chromium_apk.flags",
   ]
 }
 
 test("cronet_unittests") {
   sources = [
     "//components/cronet/android/cert/cert_verifier_cache_serializer_unittest.cc",
     "//components/cronet/histogram_manager_unittest.cc",
+    "//components/cronet/host_cache_persistence_manager_unittest.cc",
     "//components/cronet/run_all_unittests.cc",
     "//components/cronet/stale_host_resolver_unittest.cc",
     "//components/cronet/url_request_context_config_unittest.cc",
   ]
 
   deps = [
     ":cronet_android_cert_proto",
     ":cronet_static",
     "//base",
     "//base/test:test_support",
     "//components/metrics",
+    "//components/prefs:test_support",
     "//net",
     "//net:test_support",
     "//net/android:net_java",
     "//testing/gtest",
   ]
 
   if (is_android) {
     shard_timeout = 180
   }
 }
@@ skipping 546 matching lines @@
     deps = [
       ":cronet_package_copy_native_test_lib",
       ":cronet_package_copy_native_test_lib_unstripped",
       ":cronet_package_copy_test_assets",
       ":cronet_package_copy_test_files",
       ":cronet_package_copy_test_support_apks",
       ":repackage_extracted_test_jars",
     ]
   }
 }