Files.app: Use quotaBytesUsedAggregate to know the actual available space.

chrome/browser/ui/webui/chromeos/drive_internals_ui.cc

 // Copyright (c) 2012 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/ui/webui/chromeos/drive_internals_ui.h"
 
 #include "base/bind.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_util.h"
 #include "base/format_macros.h"
@@ skipping 304 matching lines @@
   if (status != google_apis::HTTP_SUCCESS) {
     LOG(ERROR) << "Failed to get about resource";
     return;
   }
   DCHECK(parsed_about_resource);
 
   base::DictionaryValue about_resource;
   about_resource.SetDouble("account-quota-total",
                            parsed_about_resource->quota_bytes_total());
   about_resource.SetDouble("account-quota-used",
-                           parsed_about_resource->quota_bytes_used());
+                           parsed_about_resource->quota_bytes_used_aggregate());
   about_resource.SetDouble("account-largest-changestamp-remote",
                            parsed_about_resource->largest_change_id());
   about_resource.SetString("root-resource-id",
                            parsed_about_resource->root_folder_id());
 
   web_ui()->CallJavascriptFunction("updateAboutResource", about_resource);
 }
 
 void DriveInternalsWebUIHandler::OnGetAppList(
     google_apis::DriveApiErrorCode status,
@@ skipping 557 matching lines @@
       content::WebUIDataSource::Create(chrome::kChromeUIDriveInternalsHost);
   source->AddResourcePath("drive_internals.css", IDR_DRIVE_INTERNALS_CSS);
   source->AddResourcePath("drive_internals.js", IDR_DRIVE_INTERNALS_JS);
   source->SetDefaultResource(IDR_DRIVE_INTERNALS_HTML);
 
   Profile* profile = Profile::FromWebUI(web_ui);
   content::WebUIDataSource::Add(profile, source);
 }
 
 }  // namespace chromeos