Remove TODO <video preload> case-sensitivity (invalid spec bug)

NOTRY=true
R=fs@opera.com

Review URL: https://codereview.chromium.org/1318443002

git-svn-id: svn://svn.chromium.org/blink/trunk@201108 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/core/html/HTMLMediaElement.cpp

@@ -1906,8 +1906,6 @@ void HTMLMediaElement::setPreload(const AtomicString& preload)
 
 WebMediaPlayer::Preload HTMLMediaElement::preloadType() const
 {
-    // TODO(philipj): The spec requires case-sensitive string matching:
-    // https://www.w3.org/Bugs/Public/show_bug.cgi?id=28951
     const AtomicString& preload = fastGetAttribute(preloadAttr);
     if (equalIgnoringCase(preload, "none")) {
         UseCounter::count(document(), UseCounter::HTMLMediaElementPreloadNone);