Apply script preprocessor to Web page scripts only.

Source/core/inspector/InspectorPageAgent.cpp

Index: Source/core/inspector/InspectorPageAgent.cpp
diff --git a/Source/core/inspector/InspectorPageAgent.cpp b/Source/core/inspector/InspectorPageAgent.cpp
index 7c48b470ffd228877772f6f71f3412b982352078..d3a638d4abe8a05df00636250006bd0e413aab7b 100644
--- a/Source/core/inspector/InspectorPageAgent.cpp
+++ b/Source/core/inspector/InspectorPageAgent.cpp
@@ -800,6 +800,9 @@ void InspectorPageAgent::didClearWindowObjectInWorld(Frame* frame, DOMWrapperWor
     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();