Have Frame::loader() return a reference

Source/core/html/parser/XSSAuditorDelegate.cpp

Index: Source/core/html/parser/XSSAuditorDelegate.cpp
diff --git a/Source/core/html/parser/XSSAuditorDelegate.cpp b/Source/core/html/parser/XSSAuditorDelegate.cpp
index 19a2ae18f6b14a6a80a1a010dee28d6ccf81f71c..b676bc9b0f203019f417f251db6c9fb0d335fcf8 100644
--- a/Source/core/html/parser/XSSAuditorDelegate.cpp
+++ b/Source/core/html/parser/XSSAuditorDelegate.cpp
@@ -77,10 +77,10 @@ PassRefPtr<FormData> XSSAuditorDelegate::generateViolationReport(const 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();
     }
 
@@ -102,14 +102,14 @@ void XSSAuditorDelegate::didBlockScript(const XSSInfo& xssInfo)
 
     // 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);