Add the IndexedDBActiveBlobRegistry, currently unused, to enable future blob

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()
-      : IndexedDBBackingStore(GURL("http://localhost:81"),
-                              scoped_ptr<LevelDBDatabase>(),
-                              scoped_ptr<LevelDBComparator>()) {}
+  IndexedDBFakeBackingStore();
+  IndexedDBFakeBackingStore(IndexedDBFactory* factory,
+                            base::TaskRunner* task_runner);
   virtual std::vector<base::string16> GetDatabaseNames() 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*,
@@ skipping 46 matching lines @@
                                       int64 database_id,
                                       int64 object_store_id,
                                       int64 index_id) OVERRIDE;
   virtual leveldb::Status PutIndexDataForRecord(Transaction*,
                                                 int64 database_id,
                                                 int64 object_store_id,
                                                 int64 index_id,
                                                 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;
   virtual scoped_ptr<Cursor> OpenObjectStoreCursor(
       Transaction* transaction,
       int64 database_id,
@@ skipping 27 matching lines @@
   };
 
  protected:
   friend class base::RefCounted<IndexedDBFakeBackingStore>;
   virtual ~IndexedDBFakeBackingStore();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FAKE_BACKING_STORE_H_