Have Frame::script() return a reference

Source/bindings/v8/ScriptPreprocessor.h

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 27 matching lines @@
 namespace WebCore {
 
 class ScriptController;
 class ScriptSourceCode;
 class ScriptDebugServer;
 class PageConsole;
 
 class ScriptPreprocessor {
     WTF_MAKE_NONCOPYABLE(ScriptPreprocessor);
 public:
-    ScriptPreprocessor(const ScriptSourceCode&, ScriptController*, PageConsole&);
+    ScriptPreprocessor(const ScriptSourceCode&, ScriptController&, PageConsole&);
     String preprocessSourceCode(const String& sourceCode, const String& sourceName);
     String preprocessSourceCode(const String& sourceCode, const String& sourceName, const String& functionName);
     bool isPreprocessing() { return m_isPreprocessing; }
     bool isValid() { return !m_preprocessorFunction.isEmpty(); }
 
 private:
     String preprocessSourceCode(const String& sourceCode, const String& sourceName, v8::Handle<v8::Value> functionName);
     RefPtr<DOMWrapperWorld> m_world;
     ScopedPersistent<v8::Context> m_context;
     v8::Isolate* m_isolate;
     ScopedPersistent<v8::Function> m_preprocessorFunction;
     bool m_isPreprocessing;
 };
 
 } // namespace WebCore
 
 #endif // ScriptPreprocessor_h