[part 2] Make classes and structures in modules fast-allocated.

Source/modules/indexeddb/IDBKeyPath.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef IDBKeyPath_h
 #define IDBKeyPath_h
 
 #include "bindings/modules/v8/UnionTypesModules.h"
 #include "modules/ModulesExport.h"
 #include "public/platform/modules/indexeddb/WebIDBKeyPath.h"
+#include "wtf/Allocator.h"
 #include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 enum IDBKeyPathParseError {
     IDBKeyPathParseErrorNone,
     IDBKeyPathParseErrorIdentifier,
 };
 
 MODULES_EXPORT void IDBParseKeyPath(const String&, Vector<String>&, IDBKeyPathParseError&);
 
 class MODULES_EXPORT IDBKeyPath {
+    DISALLOW_ALLOCATION();
 public:
     IDBKeyPath() : m_type(NullType) { }
     explicit IDBKeyPath(const String&);
     explicit IDBKeyPath(const Vector<String>& array);
     explicit IDBKeyPath(const StringOrStringSequence& keyPath);
     IDBKeyPath(const WebIDBKeyPath&);
 
     operator WebIDBKeyPath() const;
 
     enum Type {
@@ skipping 22 matching lines @@
 
 private:
     Type m_type;
     String m_string;
     Vector<String> m_array;
 };
 
 } // namespace blink
 
 #endif // IDBKeyPath_h