Apply script preprocessor to Web page scripts only.

Source/core/inspector/InspectorPageAgent.cpp

 /*
  * Copyright (C) 2011 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 782 matching lines @@
 {
     if (world != mainThreadNormalWorld())
         return;
 
     if (frame == m_page->mainFrame())
         m_injectedScriptManager->discardInjectedScripts();
 
     if (!m_frontend)
         return;
 
+    v8::HandleScope handleScope;  // crash unless we declear HandleScope
+    V8PerContextDebugData::SystemScope systemScope(frame->script()->mainWorldContext());
+
     RefPtr<InspectorObject> scripts = m_state->getObject(PageAgentState::pageAgentScriptsToEvaluateOnLoad);
     if (scripts) {
         InspectorObject::const_iterator end = scripts->end();
         for (InspectorObject::const_iterator it = scripts->begin(); it != end; ++it) {
             String scriptText;
             if (it->value->asString(&scriptText))
                 frame->script()->executeScript(scriptText);
         }
     }
     if (!m_scriptToEvaluateOnLoadOnce.isEmpty())
@@ skipping 405 matching lines @@
     // Handled on the browser level.
 }
 
 void InspectorPageAgent::handleJavaScriptDialog(ErrorString* errorString, bool accept, const String* promptText)
 {
     // Handled on the browser level.
 }
 
 } // namespace WebCore