Reland of r266437: [Files.app] Use getDriveEntryProperties() to retrieve metadata

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

 // Copyright 2013 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.
 
 #include "chrome/browser/chromeos/extensions/file_manager/private_api_drive.h"
 
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/drive/drive_integration_service.h"
 #include "chrome/browser/chromeos/extensions/file_manager/private_api_util.h"
 #include "chrome/browser/chromeos/file_manager/file_tasks.h"
@@ skipping 36 matching lines @@
 const char kDriveConnectionReasonNoService[] = "no_service";
 
 // Copies properties from |entry_proto| to |properties|. |shared_with_me| is
 // given from the running profile.
 void FillDriveEntryPropertiesValue(const drive::ResourceEntry& entry_proto,
                                    bool shared_with_me,
                                    DriveEntryProperties* properties) {
   properties->shared_with_me.reset(new bool(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();
 
   if (!entry_proto.resource_id().empty()) {
     properties->thumbnail_url.reset(
         new std::string("https://www.googledrive.com/thumb/" +
                         entry_proto.resource_id() + "?width=500&height=500"));
@@ skipping 819 matching lines @@
                  this));
   return true;
 }
 
 void FileBrowserPrivateRequestDriveShareFunction::OnAddPermission(
     drive::FileError error) {
   SendResponse(error == drive::FILE_ERROR_OK);
 }
 
 }  // namespace extensions