Use Document::validBaseElementURL to init preloadscanner

third_party/WebKit/Source/core/dom/Document.cpp

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index af301fb4901b9ce789f833b380538661d912c71a..b6647a103111389b95e1454f3c5646e4d86fae4b 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -2909,6 +2909,14 @@ void Document::setURL(const KURL& url)
     contextFeatures().urlDidChange(this);
 }
 
+KURL Document::validBaseElementURL() const
+{
+    if (m_baseElementURL.isValid())
+        return m_baseElementURL;
+
+    return KURL();
+}
+
 void Document::updateBaseURL()
 {
     KURL oldBaseURL = m_baseURL;