Make iterating over a corrupted IndexedDB fail.

content/browser/indexed_db/indexed_db_fake_backing_store.h

 // 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.
 
 #ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FAKE_BACKING_STORE_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FAKE_BACKING_STORE_H_
 
 #include <vector>
 
 #include "content/browser/indexed_db/indexed_db_backing_store.h"
 
 namespace base {
 class TaskRunner;
 }
 
 namespace content {
 
 class IndexedDBFactory;
 
 class IndexedDBFakeBackingStore : public IndexedDBBackingStore {
  public:
   IndexedDBFakeBackingStore();
   IndexedDBFakeBackingStore(IndexedDBFactory* factory,
                             base::TaskRunner* task_runner);
-  virtual std::vector<base::string16> GetDatabaseNames() OVERRIDE;
+  virtual std::vector<base::string16> GetDatabaseNames(leveldb::Status* s)
+      OVERRIDE;
   virtual leveldb::Status GetIDBDatabaseMetaData(const base::string16& name,
                                                  IndexedDBDatabaseMetadata*,
                                                  bool* found) OVERRIDE;
   virtual leveldb::Status CreateIDBDatabaseMetaData(
       const base::string16& name,
       const base::string16& version,
       int64 int_version,
       int64* row_id) OVERRIDE;
   virtual bool UpdateIDBDatabaseIntVersion(Transaction*,
                                            int64 row_id,
@@ skipping 52 matching lines @@
                                                 const IndexedDBKey&,
                                                 const RecordIdentifier&)
       OVERRIDE;
   virtual void ReportBlobUnused(int64 database_id, int64 blob_key) OVERRIDE;
 
   virtual scoped_ptr<Cursor> OpenObjectStoreKeyCursor(
       Transaction* transaction,
       int64 database_id,
       int64 object_store_id,
       const IndexedDBKeyRange& key_range,
-      indexed_db::CursorDirection) OVERRIDE;
+      indexed_db::CursorDirection,
+      leveldb::Status*) OVERRIDE;
   virtual scoped_ptr<Cursor> OpenObjectStoreCursor(
       Transaction* transaction,
       int64 database_id,
       int64 object_store_id,
       const IndexedDBKeyRange& key_range,
-      indexed_db::CursorDirection) OVERRIDE;
+      indexed_db::CursorDirection,
+      leveldb::Status*) OVERRIDE;
   virtual scoped_ptr<Cursor> OpenIndexKeyCursor(
       Transaction* transaction,
       int64 database_id,
       int64 object_store_id,
       int64 index_id,
       const IndexedDBKeyRange& key_range,
-      indexed_db::CursorDirection) OVERRIDE;
+      indexed_db::CursorDirection,
+      leveldb::Status*) OVERRIDE;
   virtual scoped_ptr<Cursor> OpenIndexCursor(Transaction* transaction,
                                              int64 database_id,
                                              int64 object_store_id,
                                              int64 index_id,
                                              const IndexedDBKeyRange& key_range,
-                                             indexed_db::CursorDirection)
-      OVERRIDE;
+                                             indexed_db::CursorDirection,
+                                             leveldb::Status*) OVERRIDE;
 
   class FakeTransaction : public IndexedDBBackingStore::Transaction {
    public:
     FakeTransaction(bool result);
     virtual void Begin() OVERRIDE;
     virtual leveldb::Status Commit() OVERRIDE;
     virtual void Rollback() OVERRIDE;
 
    private:
     bool result_;
   };
 
  protected:
   friend class base::RefCounted<IndexedDBFakeBackingStore>;
   virtual ~IndexedDBFakeBackingStore();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FAKE_BACKING_STORE_H_