Reland of 260688: [Files.app] Use getDriveEntryProperties to retrieve metadata

chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc

Index: chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc
diff --git a/chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc b/chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc
index cdc26ef1db0b3451081a372f2c2e298fde7f5c2c..48542729e500ae702d7c26ea10a63275be588216 100644
--- a/chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc
+++ b/chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc
@@ -49,12 +49,16 @@ void FillDriveEntryPropertiesValue(
   properties->shared_with_me.reset(new bool(entry_proto.shared_with_me()));
   properties->shared.reset(new bool(entry_proto.shared()));
 
+  const drive::PlatformFileInfoProto& file_info = entry_proto.file_info();
+  properties->file_size.reset(new double(file_info.size()));
+  properties->last_modified_time.reset(new double(
+      base::Time::FromInternalValue(file_info.last_modified()).ToJsTime()));
+
   if (!entry_proto.has_file_specific_info())
     return;
 
   const drive::FileSpecificInfo& file_specific_info =
       entry_proto.file_specific_info();
-
   properties->thumbnail_url.reset(
       new std::string("https://www.googledrive.com/thumb/" +
           entry_proto.resource_id() + "?width=500&height=500"));