Remove the concept of pendingScripts from HTMLScriptRunner

sky/engine/core/html/parser/HTMLScriptRunner.h

 // Copyright 2014 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 SKY_ENGINE_CORE_HTML_PARSER_HTMLSCRIPTRUNNER_H_
 #define SKY_ENGINE_CORE_HTML_PARSER_HTMLSCRIPTRUNNER_H_
 
 #include "sky/engine/core/html/HTMLElement.h"
 #include "sky/engine/wtf/Vector.h"
 #include "sky/engine/wtf/text/TextPosition.h"
 
 namespace blink {
 
 class HTMLScriptRunner {
 public:
     HTMLScriptRunner();
     ~HTMLScriptRunner();
 
     bool isExecutingScript() const { return m_isExecutingScript; }
 
     void runScript(PassRefPtr<HTMLScriptElement>, TextPosition);
 
-    bool hasPendingScripts() const { return m_pendingScript; }
-    void executePendingScripts();
-
 private:
     void executeScript(PassRefPtr<HTMLScriptElement>, TextPosition);
 
     bool m_isExecutingScript;
-    RefPtr<HTMLScriptElement> m_pendingScript;
     TextPosition m_textPosition;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_HTML_PARSER_HTMLSCRIPTRUNNER_H_