Blob support for IDB [Chromium]

content/browser/indexed_db/leveldb/leveldb_transaction.h

Index: content/browser/indexed_db/leveldb/leveldb_transaction.h
diff --git a/content/browser/indexed_db/leveldb/leveldb_transaction.h b/content/browser/indexed_db/leveldb/leveldb_transaction.h
index 83b4763edc1dcb1abf0db458d3fa07983c430606..2d0e65574cf0648afbb873920577ff2bfecfbc78 100644
--- a/content/browser/indexed_db/leveldb/leveldb_transaction.h
+++ b/content/browser/indexed_db/leveldb/leveldb_transaction.h
@@ -156,11 +156,16 @@ class CONTENT_EXPORT LevelDBTransaction
   std::set<TransactionIterator*> iterators_;
 };
 
+// The transaction actually does allow reading, but reads go straight to the

[jsbell, 2013/09/13 00:12:21]

Also note that duplicate writes are not consolidated, i.e. put(k1, v1); put(k1,
v2) results in extra work for leveldb.

[ericu, 2013/11/20 23:05:39]

Noted.  Perhaps I'll call it LevelDBUncachedTransaction.

+// database, ignoring any writes cached in write_batch_.
+// TODO(ericu): Rename to LevelDBSimpleTransaction.
 class LevelDBWriteOnlyTransaction {
  public:
   static scoped_ptr<LevelDBWriteOnlyTransaction> Create(LevelDBDatabase* db);
 
   ~LevelDBWriteOnlyTransaction();
+  void Put(const base::StringPiece& key, const std::string* value);
+  bool Get(const base::StringPiece& key, std::string* value, bool* found);
   void Remove(const base::StringPiece& key);
   bool Commit();