IndexedDB: Switch key/value handling from vector<char> to std::string

content/browser/indexed_db/indexed_db_callbacks.h

Index: content/browser/indexed_db/indexed_db_callbacks.h
diff --git a/content/browser/indexed_db/indexed_db_callbacks.h b/content/browser/indexed_db/indexed_db_callbacks.h
index b32415966891316c5b44d413f555077ab44c920b..1777073c0f15e9fd22b76536f9d3a76287dadfc2 100644
--- a/content/browser/indexed_db/indexed_db_callbacks.h
+++ b/content/browser/indexed_db/indexed_db_callbacks.h
@@ -85,26 +85,26 @@ class CONTENT_EXPORT IndexedDBCallbacks
   virtual void OnSuccess(scoped_refptr<IndexedDBCursor> cursor,
                          const IndexedDBKey& key,
                          const IndexedDBKey& primary_key,
-                         std::vector<char>* value);
+                         std::string* value);
 
   // IndexedDBCursor::Continue / Advance
   virtual void OnSuccess(const IndexedDBKey& key,
                          const IndexedDBKey& primary_key,
-                         std::vector<char>* value);
+                         std::string* value);
 
   // IndexedDBCursor::PrefetchContinue
   virtual void OnSuccessWithPrefetch(
       const std::vector<IndexedDBKey>& keys,
       const std::vector<IndexedDBKey>& primary_keys,
-      const std::vector<std::vector<char> >& values);
+      const std::vector<std::string>& values);
 
   // IndexedDBDatabase::Get (with key injection)
-  virtual void OnSuccess(std::vector<char>* data,
+  virtual void OnSuccess(std::string* data,
                          const IndexedDBKey& key,
                          const IndexedDBKeyPath& key_path);
 
   // IndexedDBDatabase::Get
-  virtual void OnSuccess(std::vector<char>* value);
+  virtual void OnSuccess(std::string* value);
 
   // IndexedDBDatabase::Put / IndexedDBCursor::Update
   virtual void OnSuccess(const IndexedDBKey& value);