[import] The first <link rel=import> should win in the cascading order computation.

Source/core/dom/StyleSheetCandidate.cpp

Index: Source/core/dom/StyleSheetCandidate.cpp
diff --git a/Source/core/dom/StyleSheetCandidate.cpp b/Source/core/dom/StyleSheetCandidate.cpp
index 73d5eb37d45644f3b82e3bbb81d1813376a22916..8e59675b7b0478b19475df22fa6e06bdee74b612 100644
--- a/Source/core/dom/StyleSheetCandidate.cpp
+++ b/Source/core/dom/StyleSheetCandidate.cpp
@@ -58,12 +58,7 @@ bool StyleSheetCandidate::isImport() const
 Document* StyleSheetCandidate::importedDocument() const
 {
     ASSERT(isImport());
-    // The stylesheet update traversal shouldn't go into shared import
-    // to prevent it from stepping into cycle.
-    HTMLLinkElement& element = toHTMLLinkElement(m_node);
-    if (!element.importOwnsLoader())
-        return 0;
-    return element.import();
+    return toHTMLLinkElement(m_node).import();
 }
 
 bool StyleSheetCandidate::isAlternate() const