Add CORS support for <link> elements.

Source/core/dom/ScriptLoader.cpp

Index: Source/core/dom/ScriptLoader.cpp
diff --git a/Source/core/dom/ScriptLoader.cpp b/Source/core/dom/ScriptLoader.cpp
index 1fbeec5f7d19ec828b64caac29e8dd73b674d5ad..ac91a97ea2e0454905f9748c10ac82cc79cde52b 100644
--- a/Source/core/dom/ScriptLoader.cpp
+++ b/Source/core/dom/ScriptLoader.cpp
@@ -260,11 +260,9 @@ bool ScriptLoader::fetchScript(const String& sourceUrl)
     if (!stripLeadingAndTrailingHTMLSpaces(sourceUrl).isEmpty()) {
         FetchRequest request(ResourceRequest(elementDocument->completeURL(sourceUrl)), m_element->localName());
 
-        String crossOriginMode = m_element->fastGetAttribute(HTMLNames::crossoriginAttr);
-        if (!crossOriginMode.isNull()) {
-            StoredCredentials allowCredentials = equalIgnoringCase(crossOriginMode, "use-credentials") ? AllowStoredCredentials : DoNotAllowStoredCredentials;
-            request.setCrossOriginAccessControl(elementDocument->securityOrigin(), allowCredentials);
-        }
+        AtomicString crossOriginMode = m_element->fastGetAttribute(HTMLNames::crossoriginAttr);
+        if (!crossOriginMode.isNull())
+            request.setCrossOriginAccessControl(elementDocument->securityOrigin(), crossOriginMode);
         request.setCharset(scriptCharset());
 
         bool isValidScriptNonce = elementDocument->contentSecurityPolicy()->allowScriptNonce(m_element->fastGetAttribute(HTMLNames::nonceAttr));