Remove some obsolete FIXMEs for HTMLAllCollection

third_party/WebKit/Source/core/html/HTMLAllCollection.idl

Index: third_party/WebKit/Source/core/html/HTMLAllCollection.idl
diff --git a/third_party/WebKit/Source/core/html/HTMLAllCollection.idl b/third_party/WebKit/Source/core/html/HTMLAllCollection.idl
index 40c7fc47efdcbcc9ceb146139ab53eaac2af7ef9..dc4ba0d437a4af390e9db4183711c285333953df 100644
--- a/third_party/WebKit/Source/core/html/HTMLAllCollection.idl
+++ b/third_party/WebKit/Source/core/html/HTMLAllCollection.idl
@@ -26,20 +26,17 @@
 
 // https://html.spec.whatwg.org/#the-htmlallcollection-interface
 
-// FIXME: This interface should inherit HTMLCollection.
 [
     Custom=LegacyCallAsFunction,
     DependentLifetime,
     SetWrapperReferenceFrom=ownerNode,
     WillBeGarbageCollected,
 ] interface HTMLAllCollection {
-    // FIXME: length and 'getter' should be inherited from HTMLCollection.
     readonly attribute unsigned long length;
     [ImplementedAs=item] getter Element (unsigned long index);
     // FIXME: The custom item() implementation may return a NodeList, but the
     // spec has a (HTMLCollection or Element)? item(DOMString name) method.
     [Custom] Element? item([Default=Undefined] optional unsigned long index);
-    // FIXME:
     // FIXME: namedItem() should be a legacycaller. crbug.com/465009
     // FIXME: namedItem() should return an (HTMLCollection or Element)? union.
     [ImplementedAs=namedGetter] getter (NodeList or Element)? namedItem(DOMString name);