Clarify when what notifications are send when a window object is cleared

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 811 matching lines @@
         return;
 
     Settings* settings = mainFrame()->settings();
     if (settings) {
         m_ignoreScriptsEnabledNotification = true;
         settings->setScriptEnabled(!value);
         m_ignoreScriptsEnabledNotification = false;
     }
 }
 
-void InspectorPageAgent::didClearWindowObjectInMainWorld(LocalFrame* frame)
+void InspectorPageAgent::didClearDocumentOfWindowObject(LocalFrame* frame)
 {
     if (frame == m_page->mainFrame())
         m_injectedScriptManager->discardInjectedScripts();
 
     if (!m_frontend)
         return;
 
     RefPtr<JSONObject> scripts = m_state->getObject(PageAgentState::pageAgentScriptsToEvaluateOnLoad);
     if (scripts) {
         JSONObject::const_iterator end = scripts->end();
@@ skipping 418 matching lines @@
 }
 
 void InspectorPageAgent::setShowViewportSizeOnResize(ErrorString*, bool show, const bool* showGrid)
 {
     m_state->setBoolean(PageAgentState::showSizeOnResize, show);
     m_state->setBoolean(PageAgentState::showGridOnResize, showGrid && *showGrid);
 }
 
 } // namespace WebCore