Add safe blob-over-IPC transfer from browser->renderer for IDB.

content/child/indexed_db/webidbdatabase_impl.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_CHILD_INDEXED_DB_PROXY_WEBIDBDATABASE_IMPL_H_
 #define CONTENT_CHILD_INDEXED_DB_PROXY_WEBIDBDATABASE_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "third_party/WebKit/public/platform/WebIDBCursor.h"
@@ skipping 75 matching lines @@
                            long long indexId,
                            const blink::WebString& name,
                            const blink::WebIDBKeyPath&,
                            bool unique,
                            bool multiEntry);
   virtual void deleteIndex(long long transactionId,
                            long long objectStoreId,
                            long long indexId);
   virtual void abort(long long transaction_id);
   virtual void commit(long long transaction_id);
+  virtual void ackReceivedBlobs(
+      const blink::WebVector<blink::WebString>& uuids);
 
  private:
   int32 ipc_database_id_;
   int32 ipc_database_callbacks_id_;
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_INDEXED_DB_PROXY_WEBIDBDATABASE_IMPL_H_