Bug 1016707 - Remove keysystem attribute from source element, as it's no longer in the spec. r=bz

content/html/content/src/HTMLMediaElement.cpp

@@ -944,9 +944,6 @@ void HTMLMediaElement::LoadFromSourceChildren()
       ReportLoadError("MediaLoadUnsupportedTypeAttribute", params, ArrayLength(params));
       continue;
     }
-    // TODO: "If candidate has a keySystem attribute whose value represents a
-    //       Key System that the user agent knows it cannot use with type,
-    //       then end the synchronous section[...]" (Bug 1016707)
     nsAutoString media;
     HTMLSourceElement *childSrc = HTMLSourceElement::FromContent(child);
     MOZ_ASSERT(childSrc, "Expect child to be HTMLSourceElement");

content/html/content/src/HTMLSourceElement.h

@@ -91,16 +91,6 @@ public:
     SetHTMLAttr(nsGkAtoms::media, aMedia, rv);
   }
 
-  void GetKeySystem(nsString& aKeySystem) const
-  {
-    GetHTMLAttr(nsGkAtoms::keysystem, aKeySystem);
-  }
-
-  void SetKeySystem(const nsAString& aKeySystem)
-  {
-    SetHTMLAttr(nsGkAtoms::keysystem, aKeySystem);
-  }
-
 protected:
   virtual ~HTMLSourceElement();
 

dom/webidl/HTMLSourceElement.webidl

@@ -26,9 +26,3 @@ partial interface HTMLSourceElement {
            [SetterThrows]
            attribute DOMString media;
 };
-
-// Encrypted Media Extensions
-partial interface HTMLSourceElement {
-  [Pref="media.eme.enabled"]
-  attribute DOMString keySystem;
-};