Added quota client for serviceworker. Enables 'clear past <time> data'.

content/browser/service_worker/service_worker_database.cc

 // Copyright 2014 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 "content/browser/service_worker/service_worker_database.h"
 
 #include <string>
 
 #include "base/files/file_util.h"
 #include "base/location.h"
@@ skipping 197 matching lines @@
   DCHECK(out);
   ServiceWorkerRegistrationData data;
   if (!data.ParseFromString(serialized))
     return ServiceWorkerDatabase::STATUS_ERROR_CORRUPTED;
 
   GURL scope_url(data.scope_url());
   GURL script_url(data.script_url());
   if (!scope_url.is_valid() ||
       !script_url.is_valid() ||
       scope_url.GetOrigin() != script_url.GetOrigin()) {
+    DLOG(ERROR) << "Scope URL '" << data.scope_url() << "' and/or script url '"
+                << data.script_url()
+                << "' are invalid or have mismatching origins.";
     return ServiceWorkerDatabase::STATUS_ERROR_CORRUPTED;
   }
 
   // Convert ServiceWorkerRegistrationData to RegistrationData.
   out->registration_id = data.registration_id();
   out->scope = scope_url;
   out->script = script_url;
   out->version_id = data.version_id();
   out->is_active = data.is_active();
   out->has_fetch_handler = data.has_fetch_handler();
@@ skipping 898 matching lines @@
 
 void ServiceWorkerDatabase::HandleWriteResult(
     const tracked_objects::Location& from_here,
     Status status) {
   if (status != STATUS_OK)
     Disable(from_here, status);
   ServiceWorkerMetrics::CountWriteDatabaseResult(status);
 }
 
 }  // namespace content