Service Worker: Respect the "clear on exit" content setting

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 669 matching lines @@
   Status status = DeleteResourceIdsInBatch(
       kUncommittedResIdKeyPrefix, ids, &batch);
   if (status != STATUS_OK)
     return status;
   status = WriteResourceIdsInBatch(kPurgeableResIdKeyPrefix, ids, &batch);
   if (status != STATUS_OK)
     return status;
   return WriteBatch(&batch);
 }
 
-ServiceWorkerDatabase::Status ServiceWorkerDatabase::DeleteAllDataForOrigin(
-    const GURL& origin,
+ServiceWorkerDatabase::Status ServiceWorkerDatabase::DeleteAllDataForOrigins(
+    const std::set<GURL>& origins,
     std::vector<int64>* newly_purgeable_resources) {
   DCHECK(sequence_checker_.CalledOnValidSequencedThread());
   Status status = LazyOpen(false);
   if (IsNewOrNonexistentDatabase(status))
     return STATUS_OK;
   if (status != STATUS_OK)
     return status;
-  if (!origin.is_valid())
-    return STATUS_ERROR_FAILED;
-
   leveldb::WriteBatch batch;
 
-  // Delete from the unique origin list.
-  batch.Delete(CreateUniqueOriginKey(origin));
+  for (const GURL& origin : origins) {
+    if (!origin.is_valid())
+      return STATUS_ERROR_FAILED;
 
-  std::vector<RegistrationData> registrations;
-  status = GetRegistrationsForOrigin(origin, &registrations);
-  if (status != STATUS_OK)
-    return status;
+    // Delete from the unique origin list.
+    batch.Delete(CreateUniqueOriginKey(origin));
 
-  // Delete registrations and resource records.
-  for (std::vector<RegistrationData>::const_iterator itr =
-           registrations.begin(); itr != registrations.end(); ++itr) {
-    batch.Delete(CreateRegistrationKey(itr->registration_id, origin));
-    status = DeleteResourceRecords(
-        itr->version_id, newly_purgeable_resources, &batch);
+    std::vector<RegistrationData> registrations;
+    status = GetRegistrationsForOrigin(origin, &registrations);
     if (status != STATUS_OK)
       return status;
+
+    // Delete registrations and resource records.
+    for (const RegistrationData& data : registrations) {
+      batch.Delete(CreateRegistrationKey(data.registration_id, origin));
+      status = DeleteResourceRecords(
+          data.version_id, newly_purgeable_resources, &batch);
+      if (status != STATUS_OK)
+        return status;
+    }
   }
 
   return WriteBatch(&batch);
 }
 
 ServiceWorkerDatabase::Status ServiceWorkerDatabase::DestroyDatabase() {
   DCHECK(sequence_checker_.CalledOnValidSequencedThread());
   Disable(FROM_HERE, STATUS_OK);
   return LevelDBStatusToStatus(
       leveldb::DestroyDB(path_.AsUTF8Unsafe(), leveldb::Options()));
@@ skipping 383 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