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

content/browser/indexed_db/indexed_db_cursor.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_CURSOR_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CURSOR_H_
 
-#include <vector>
+#include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/indexed_db/indexed_db_backing_store.h"
 #include "content/browser/indexed_db/indexed_db_database.h"
 #include "content/common/indexed_db/indexed_db_key_range.h"
 
 namespace content {
 
@@ skipping 24 matching lines @@
   // IndexedDBCursor
   void Advance(uint32 count, scoped_refptr<IndexedDBCallbacks> callbacks);
   void ContinueFunction(scoped_ptr<IndexedDBKey> key,
                         scoped_refptr<IndexedDBCallbacks> callbacks);
   void PrefetchContinue(int number_to_fetch,
                         scoped_refptr<IndexedDBCallbacks> callbacks);
   void PrefetchReset(int used_prefetches, int unused_prefetches);
 
   const IndexedDBKey& key() const { return cursor_->key(); }
   const IndexedDBKey& primary_key() const { return cursor_->primary_key(); }
-  std::vector<char>* Value() const {
+  std::string* Value() const {
     return (cursor_type_ == indexed_db::CURSOR_KEY_ONLY) ? NULL
                                                          : cursor_->Value();
   }
   void Close();
 
  private:
   friend class base::RefCounted<IndexedDBCursor>;
 
   IndexedDBCursor(scoped_ptr<IndexedDBBackingStore::Cursor> cursor,
                   indexed_db::CursorType cursor_type,
@@ skipping 13 matching lines @@
   scoped_ptr<IndexedDBBackingStore::Cursor> cursor_;
   // Must be destroyed before transaction_.
   scoped_ptr<IndexedDBBackingStore::Cursor> saved_cursor_;
 
   bool closed_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CURSOR_H_