Have Frame::script() return a reference

Source/bindings/v8/ScriptPreprocessor.cpp

 /*
  * 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 22 matching lines @@
 
 #include "bindings/v8/ScriptController.h"
 #include "bindings/v8/ScriptSourceCode.h"
 #include "bindings/v8/ScriptValue.h"
 #include "bindings/v8/V8ScriptRunner.h"
 #include "core/page/PageConsole.h"
 #include "wtf/TemporaryChange.h"
 
 namespace WebCore {
 
-ScriptPreprocessor::ScriptPreprocessor(const ScriptSourceCode& preprocessorSourceCode, ScriptController* controller, PageConsole& console)
+ScriptPreprocessor::ScriptPreprocessor(const ScriptSourceCode& preprocessorSourceCode, ScriptController& controller, PageConsole& console)
     : m_isPreprocessing(false)
 {
     v8::TryCatch tryCatch;
     tryCatch.SetVerbose(true);
     Vector<ScriptSourceCode> sources;
     sources.append(preprocessorSourceCode);
     Vector<ScriptValue> scriptResults;
-    controller->executeScriptInIsolatedWorld(ScriptPreprocessorIsolatedWorldId, sources, DOMWrapperWorld::mainWorldExtensionGroup, &scriptResults);
+    controller.executeScriptInIsolatedWorld(ScriptPreprocessorIsolatedWorldId, sources, DOMWrapperWorld::mainWorldExtensionGroup, &scriptResults);
 
     if (scriptResults.size() != 1) {
         console.addMessage(JSMessageSource, ErrorMessageLevel, "ScriptPreprocessor internal error, one ScriptSourceCode must give exactly one result.");
         return;
     }
 
     ScriptValue preprocessorFunction = scriptResults[0];
     if (!preprocessorFunction.isFunction()) {
         console.addMessage(JSMessageSource, ErrorMessageLevel, "The preprocessor must compile to a function.");
         return;
@@ skipping 41 matching lines @@
     TemporaryChange<bool> isPreprocessing(m_isPreprocessing, true);
     v8::Handle<v8::Value> resultValue = V8ScriptRunner::callAsFunction(m_preprocessorFunction.newLocal(m_isolate), m_context.newLocal(m_isolate)->Global(), WTF_ARRAY_LENGTH(argv), argv);
 
     if (!resultValue.IsEmpty() && resultValue->IsString())
         return toWebCoreStringWithNullCheck(resultValue.As<v8::String>());
 
     return sourceCode;
 }
 
 } // namespace WebCore