Minimize calls to Node::nodeType() as it is virtual

Source/core/inspector/InspectorController.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 293 matching lines @@
 {
     if (!node)
         return;
     Document* document = node->ownerDocument();
     if (!document)
         return;
     LocalFrame* frame = document->frame();
     if (!frame)
         return;
 
-    if (node->nodeType() != Node::ELEMENT_NODE && node->nodeType() != Node::DOCUMENT_NODE)
+    if (!node->isElementNode() && !node->isDocumentNode())
         node = node->parentNode();
 
     InjectedScript injectedScript = m_injectedScriptManager->injectedScriptFor(ScriptState::forMainWorld(frame));
     if (injectedScript.isEmpty())
         return;
     injectedScript.inspectNode(node);
 }
 
 void InspectorController::setInjectedScriptForOrigin(const String& origin, const String& source)
 {
@@ skipping 149 matching lines @@
         m_layerTreeAgent->willAddPageOverlay(layer);
 }
 
 void InspectorController::didRemovePageOverlay(const GraphicsLayer* layer)
 {
     if (m_layerTreeAgent)
         m_layerTreeAgent->didRemovePageOverlay(layer);
 }
 
 } // namespace WebCore