Remove unneeded namespace prefix in HTMLMediaElement

Source/core/html/HTMLMediaElement.cpp

Index: Source/core/html/HTMLMediaElement.cpp
diff --git a/Source/core/html/HTMLMediaElement.cpp b/Source/core/html/HTMLMediaElement.cpp
index 8402ac95f43129d136bc87f19f493f4cb18fb99d..3c37b0fc75e0a117eefe524a17c468341c3d36b7 100644
--- a/Source/core/html/HTMLMediaElement.cpp
+++ b/Source/core/html/HTMLMediaElement.cpp
@@ -3855,9 +3855,9 @@ void HTMLMediaElement::applyMediaFragmentURI()
 
 MediaPlayerClient::CORSMode HTMLMediaElement::mediaPlayerCORSMode() const
 {
-    if (!fastHasAttribute(HTMLNames::crossoriginAttr))
+    if (!fastHasAttribute(crossoriginAttr))
         return Unspecified;
-    if (equalIgnoringCase(fastGetAttribute(HTMLNames::crossoriginAttr), "use-credentials"))
+    if (equalIgnoringCase(fastGetAttribute(crossoriginAttr), "use-credentials"))
         return UseCredentials;
     return Anonymous;
 }