Teaching BrowsingDataRemover how to delete application data.

webkit/dom_storage/dom_storage_context.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 "webkit/dom_storage/dom_storage_context.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/file_util.h"
 #include "base/location.h"
@@ skipping 77 matching lines @@
     }
   }
 }
 
 void DomStorageContext::DeleteOrigin(const GURL& origin) {
   DCHECK(!is_shutdown_);
   DomStorageNamespace* local = GetStorageNamespace(kLocalStorageNamespaceId);
   local->DeleteOrigin(origin);
 }
 
-void DomStorageContext::DeleteDataModifiedSince(const base::Time& cutoff) {
+void DomStorageContext::DeleteDataModifiedSince(
+    const base::Time& cutoff,
+    int origin_set_mask) {
   std::vector<UsageInfo> infos;
   const bool kIncludeFileInfo = true;
   GetUsageInfo(&infos, kIncludeFileInfo);
   for (size_t i = 0; i < infos.size(); ++i) {
     if (infos[i].last_modified > cutoff) {
       if (!special_storage_policy_ ||
-          !special_storage_policy_->IsStorageProtected(infos[i].origin)) {
+          // Skip packaged apps and extensions (non-websafe origin) unless
+          // EXTENSION is set.
+          ((origin_set_mask & quota::SpecialStoragePolicy::EXTENSION) &&
+              infos[i].origin.SchemeIs("chrome-extension")) ||
+          // Skip the open web (unprotected and websafe origins) unless
+          // UNPROTECTED_WEB is set.
+          ((origin_set_mask & quota::SpecialStoragePolicy::UNPROTECTED_WEB) &&
+              !infos[i].origin.SchemeIs("chrome-extension") &&
+              !special_storage_policy_->IsStorageProtected(infos[i].origin)) ||
+          // Skip hosted applications (protected and websafe origins) unless
+          // PROTECTED_WEB is set.
+          ((origin_set_mask & quota::SpecialStoragePolicy::PROTECTED_WEB) &&
+              !infos[i].origin.SchemeIs("chrome-extension") &&
+              special_storage_policy_->IsStorageProtected(infos[i].origin))) {
         DeleteOrigin(infos[i].origin);
       }
     }
   }
 }
 
 void DomStorageContext::PurgeMemory() {
   // We can only purge memory from the local storage namespace
   // which is backed by disk.
   StorageNamespaceMap::iterator found =
@@ skipping 115 matching lines @@
     FilePath database_file_path = localstorage_directory_.Append(
         DomStorageArea::DatabaseFileNameFromOrigin(origin));
     file_util::Delete(database_file_path, kNotRecursive);
     file_util::Delete(
         DomStorageDatabase::GetJournalFilePath(database_file_path),
         kNotRecursive);
   }
 }
 
 }  // namespace dom_storage