IndexedDB: Convert decoding functions to pass StringPieces vs. pointers

content/browser/indexed_db/leveldb/leveldb_database.h

Index: content/browser/indexed_db/leveldb/leveldb_database.h
diff --git a/content/browser/indexed_db/leveldb/leveldb_database.h b/content/browser/indexed_db/leveldb/leveldb_database.h
index 0c7427bf12dc46e4b6d141bea5b285d63c196c3b..952c4b6a7f37330649bdbbc8e7b79cf5ddde0f5d 100644
--- a/content/browser/indexed_db/leveldb/leveldb_database.h
+++ b/content/browser/indexed_db/leveldb/leveldb_database.h
@@ -51,7 +51,7 @@ class CONTENT_EXPORT LevelDBDatabase {
   bool Put(const LevelDBSlice& key, const std::vector<char>& value);
   bool Remove(const LevelDBSlice& key);
   virtual bool Get(const LevelDBSlice& key,
-                   std::vector<char>& value,
+                   std::string* value,
                    bool& found,
                    const LevelDBSnapshot* = 0);
   bool Write(LevelDBWriteBatch& batch);