Have Frame::loader() return a reference

Source/core/html/parser/XSSAuditorDelegate.cpp

 /*
  * Copyright (C) 2013 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 59 matching lines @@
     , m_didSendNotifications(false)
 {
     ASSERT(isMainThread());
     ASSERT(m_document);
 }
 
 PassRefPtr<FormData> XSSAuditorDelegate::generateViolationReport(const XSSInfo& xssInfo)
 {
     ASSERT(isMainThread());
 
-    FrameLoader* frameLoader = m_document->frame()->loader();
+    FrameLoader& frameLoader = m_document->frame()->loader();
     String httpBody;
-    if (frameLoader->documentLoader()) {
-        if (FormData* formData = frameLoader->documentLoader()->originalRequest().httpBody())
+    if (frameLoader.documentLoader()) {
+        if (FormData* formData = frameLoader.documentLoader()->originalRequest().httpBody())
             httpBody = formData->flattenToString();
     }
 
     RefPtr<JSONObject> reportDetails = JSONObject::create();
     reportDetails->setString("request-url", xssInfo.m_originalURL);
     reportDetails->setString("request-body", httpBody);
 
     RefPtr<JSONObject> reportObject = JSONObject::create();
     reportObject->setObject("xss-report", reportDetails.release());
 
     return FormData::create(reportObject->toJSONString().utf8().data());
 }
 
 void XSSAuditorDelegate::didBlockScript(const XSSInfo& xssInfo)
 {
     ASSERT(isMainThread());
 
     m_document->addConsoleMessage(JSMessageSource, ErrorMessageLevel, xssInfo.buildConsoleError());
 
     // stopAllLoaders can detach the Frame, so protect it.
     RefPtr<Frame> protect(m_document->frame());
-    FrameLoader* frameLoader = m_document->frame()->loader();
+    FrameLoader& frameLoader = m_document->frame()->loader();
     if (xssInfo.m_didBlockEntirePage)
-        frameLoader->stopAllLoaders();
+        frameLoader.stopAllLoaders();
 
     if (!m_didSendNotifications) {
         m_didSendNotifications = true;
 
-        frameLoader->client()->didDetectXSS(m_document->url(), xssInfo.m_didBlockEntirePage);
+        frameLoader.client()->didDetectXSS(m_document->url(), xssInfo.m_didBlockEntirePage);
 
         if (!m_reportURL.isEmpty())
             PingLoader::sendViolationReport(m_document->frame(), m_reportURL, generateViolationReport(xssInfo), PingLoader::XSSAuditorViolationReport);
     }
 
     if (xssInfo.m_didBlockEntirePage)
         m_document->frame()->navigationScheduler().scheduleLocationChange(m_document->securityOrigin(), SecurityOrigin::urlWithUniqueSecurityOrigin(), String());
 }
 
 } // namespace WebCore