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 014b461bf5e84eba8fe8303a4894498fbe15a2b3..75d3cb9f2318aa58b2883abf8c44251eed6a86f8 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -2933,6 +2933,14 @@ 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;