Remove implicit conversions from scoped_refptr to T* in content/browser/indexed_db/

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 <map>
 #include <set>
 #include <string>
@@ skipping 126 matching lines @@
         int64 object_store_id,
         const std::string& object_store_data_key,
         std::vector<IndexedDBBlobInfo>*,
         ScopedVector<storage::BlobDataHandle>* handles);
     void PutBlobInfo(int64 database_id,
                      int64 object_store_id,
                      const std::string& object_store_data_key,
                      std::vector<IndexedDBBlobInfo>*,
                      ScopedVector<storage::BlobDataHandle>* handles);
 
-    LevelDBTransaction* transaction() { return transaction_; }
+    LevelDBTransaction* transaction() { return transaction_.get(); }
 
     leveldb::Status GetBlobInfoForRecord(
         int64 database_id,
         const std::string& object_store_data_key,
         IndexedDBValue* value);
 
     // This holds a BlobEntryKey and the encoded IndexedDBBlobInfo vector stored
     // under that key.
     typedef std::vector<std::pair<BlobEntryKey, std::string> >
         BlobEntryKeyValuePairVec;
@@ skipping 420 matching lines @@
   // will hold a reference to this backing store.
   IndexedDBActiveBlobRegistry active_blob_registry_;
   base::OneShotTimer<IndexedDBBackingStore> close_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(IndexedDBBackingStore);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_BACKING_STORE_H_