Roll IDL to Dartium37 (r181268)

modules/mediasource/SourceBuffer.idl

Index: modules/mediasource/SourceBuffer.idl
diff --git a/modules/mediasource/SourceBuffer.idl b/modules/mediasource/SourceBuffer.idl
index 1272771cac3f980fe823627b57048461783bc8d8..7827d60d74bfe8f2e3e8df7744909d2bfdaecc16 100644
--- a/modules/mediasource/SourceBuffer.idl
+++ b/modules/mediasource/SourceBuffer.idl
@@ -28,15 +28,18 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+// https://dvcs.w3.org/hg/html-media/raw-file/tip/media-source/media-source.html#idl-def-SourceBuffer
+
 enum AppendMode {
     "segments",
     "sequence"
 };
 
 [
-    NoInterfaceObject,
     ActiveDOMObject,
-    RuntimeEnabled=MediaSource
+    NoInterfaceObject,
+    RuntimeEnabled=MediaSource,
+    TypeChecking=Interface|Nullable|Unrestricted,
 ] interface SourceBuffer : EventTarget {
 
     // Gets or sets the AppendMode.
@@ -55,7 +58,7 @@ enum AppendMode {
     [RaisesException=Setter] attribute double appendWindowStart;
 
     // Presentation timestamp for the end of append window.
-    [RaisesException=Setter] attribute double appendWindowEnd;
+    [RaisesException=Setter] attribute unrestricted double appendWindowEnd;
 
     // Append segment data.
     [RaisesException] void appendBuffer(ArrayBuffer data);
@@ -65,6 +68,8 @@ enum AppendMode {
 
     // Abort the current segment append sequence.
     [RaisesException] void abort();
+    // Pending W3C bug: "Change SourceBuffer.remove() end parameter to 'unrestricted double'",
+    // https://www.w3.org/Bugs/Public/show_bug.cgi?id=25518
     [RaisesException] void remove(double start, double end);
 };