service worker: Use {From,In}Microseconds() to store last update check time

{From,To}InternalValue() are deprecated so replace them with suggested
{From,In}Microseconds(). This may not be the same as deprecated ones
but these would be fine as we use them to store script response time.

Bug: 634507
Change-Id: Ie4a4b1bbbd65692888b3a3a0abe8606feddae9b5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1933836
Commit-Queue: Kenichi Ishibashi <bashi@chromium.org>
Reviewed-by: Yuri Wiitala <miu@chromium.org>
Reviewed-by: Hiroki Nakagawa <nhiroki@chromium.org>
Cr-Commit-Position: refs/heads/master@{#718988}

content/browser/service_worker/service_worker_database.cc

@@ -1493,8 +1493,8 @@ ServiceWorkerDatabase::Status ServiceWorkerDatabase::ParseRegistrationData(
   out->version_id = data.version_id();
   out->is_active = data.is_active();
   out->has_fetch_handler = data.has_fetch_handler();
-  out->last_update_check =
-      base::Time::FromInternalValue(data.last_update_check_time());
+  out->last_update_check = base::Time::FromDeltaSinceWindowsEpoch(
+      base::TimeDelta::FromMicroseconds(data.last_update_check_time()));
   out->resources_total_size_bytes = data.resources_total_size_bytes();
   if (data.has_origin_trial_tokens()) {
     const ServiceWorkerOriginTrialInfo& info = data.origin_trial_tokens();
@@ -1571,7 +1571,8 @@ void ServiceWorkerDatabase::WriteRegistrationDataInBatch(
   data.set_is_active(registration.is_active);
   data.set_has_fetch_handler(registration.has_fetch_handler);
   data.set_last_update_check_time(
-      registration.last_update_check.ToInternalValue());
+      registration.last_update_check.ToDeltaSinceWindowsEpoch()
+          .InMicroseconds());
   data.set_script_response_time(
       registration.script_response_time.ToDeltaSinceWindowsEpoch()
           .InMicroseconds());

content/browser/service_worker/service_worker_database.proto

@@ -45,7 +45,7 @@ message ServiceWorkerRegistrationData {
   required bool is_active = 5;
   required bool has_fetch_handler = 6;
 
-  // Serialized by Time::ToInternalValue().
+  // Serialized by Time::FromDeltaSinceWindowsEpoch().
   required int64 last_update_check_time = 7;
 
   optional uint64 resources_total_size_bytes = 8;

content/browser/service_worker/service_worker_database_unittest.cc

@@ -2203,7 +2203,8 @@ TEST(ServiceWorkerDatabaseTest, InvalidWebFeature) {
   data.set_version_id(1);
   data.set_is_active(true);
   data.set_has_fetch_handler(true);
-  data.set_last_update_check_time(base::Time::Now().ToInternalValue());
+  data.set_last_update_check_time(
+      base::Time::Now().ToDeltaSinceWindowsEpoch().InMicroseconds());
 
   data.add_used_features(
       static_cast<uint32_t>(blink::mojom::WebFeature::kFetch));