Don't delete leveldb directory if disk was full.

content/browser/indexed_db/indexed_db_backing_store.h

 // Copyright (c) 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_BACKING_STORE_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_BACKING_STORE_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 13 matching lines @@
 namespace content {
 
 class LevelDBComparator;
 class LevelDBDatabase;
 
 class LevelDBFactory {
  public:
   virtual ~LevelDBFactory() {}
   virtual scoped_ptr<LevelDBDatabase> OpenLevelDB(
       const base::FilePath& file_name,
-      const LevelDBComparator* comparator) = 0;
+      const LevelDBComparator* comparator,
+      bool* is_disk_full = NULL) = 0;
   virtual bool DestroyLevelDB(const base::FilePath& file_name) = 0;
 };
 
 class CONTENT_EXPORT IndexedDBBackingStore
     : public base::RefCounted<IndexedDBBackingStore> {
  public:
   class CONTENT_EXPORT Transaction;
 
   static scoped_refptr<IndexedDBBackingStore> Open(
       const string16& database_identifier,
@@ skipping 266 matching lines @@
   string16 identifier_;
 
   scoped_ptr<LevelDBDatabase> db_;
   scoped_ptr<LevelDBComparator> comparator_;
   base::WeakPtrFactory<IndexedDBBackingStore> weak_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_BACKING_STORE_H_