Change SourceBuffer.remove() end parameter to unrestricted double.

Source/modules/mediasource/SourceBuffer.idl

Index: Source/modules/mediasource/SourceBuffer.idl
diff --git a/Source/modules/mediasource/SourceBuffer.idl b/Source/modules/mediasource/SourceBuffer.idl
index 1ca6799fdd8e83a622e1485e2e313df565c41f5d..a29f0fae3b9431c57a4de5be35eb49862aa4284f 100644
--- a/Source/modules/mediasource/SourceBuffer.idl
+++ b/Source/modules/mediasource/SourceBuffer.idl
@@ -68,8 +68,6 @@ 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);
+    [RaisesException] void remove(double start, unrestricted double end);
 };