Blob support for IDB [Chromium]

content/browser/indexed_db/leveldb/leveldb_transaction.cc

 // 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.
 
 #include "content/browser/indexed_db/leveldb/leveldb_transaction.h"
 
 #include "base/logging.h"
 #include "content/browser/indexed_db/leveldb/leveldb_database.h"
 #include "content/browser/indexed_db/leveldb/leveldb_write_batch.h"
 #include "third_party/leveldatabase/src/include/leveldb/db.h"
@@ skipping 439 matching lines @@
   return make_scoped_ptr(new LevelDBWriteOnlyTransaction(db));
 }
 
 LevelDBWriteOnlyTransaction::LevelDBWriteOnlyTransaction(LevelDBDatabase* db)
     : db_(db), write_batch_(LevelDBWriteBatch::Create()), finished_(false) {}
 
 LevelDBWriteOnlyTransaction::~LevelDBWriteOnlyTransaction() {
   write_batch_->Clear();
 }
 
+void LevelDBWriteOnlyTransaction::Put(const StringPiece& key,
+                                      const std::string* value)
+{
+    DCHECK(!finished_);
+    write_batch_->Put(key, *value);
+}
+
+bool LevelDBWriteOnlyTransaction::Get(const StringPiece& key,
+                                      std::string* value, bool* found)
+{
+    *found = false;
+    DCHECK(!finished_);
+
+    bool ok = db_->Get(key, value, found);
+    if (!ok) {
+        DCHECK(!found);
+        return false;
+    }
+    return true;
+}
+
 void LevelDBWriteOnlyTransaction::Remove(const StringPiece& key) {
   DCHECK(!finished_);
   write_batch_->Remove(key);
 }
 
 bool LevelDBWriteOnlyTransaction::Commit() {
   DCHECK(!finished_);
 
   if (!db_->Write(*write_batch_))
     return false;
 
   finished_ = true;
   write_batch_->Clear();
   return true;
 }
 
 }  // namespace content