Move _cancel and _pull to be truly internal methods

index.bs

@@ -821,7 +821,7 @@ called with argument <var>reason</var>, it performs the following steps:
   1. If _stream_@[[state]] is `"closed"`, return a new promise resolved with *undefined*.
   1. If _stream_@[[state]] is `"errored"`, return a new promise rejected with _stream_@[[storedError]].
   1. Perform ReadableStreamClose(_stream_).
-  1. Let _sourceCancelPromise_ be _stream_@[[readableStreamController]]@[[_cancel]](_reason_).
+  1. Let _sourceCancelPromise_ be _stream_@[[readableStreamController]].[[\Cancel]](_reason_).
   1. Return the result of transforming _sourceCancelPromise_ by a fulfillment handler that returns *undefined*.
 </emu-alg>
 
@@ -1286,7 +1286,7 @@ Instances of <code>ReadableStreamBYOBReader</code> are created with the internal
   1. If _stream_@[[state]] is `"closed"`, return a new promise resolved with CreateIterResultObject(*undefined*, *true*).
   1. If _stream_@[[state]] is `"errored"`, return a new promise rejected with _stream_@[[storedError]].
   1. Assert: _stream_@[[state]] is `"readable"`.
-  1. Return _stream_@[[readableStreamController]]@[[_pull]]().
+  1. Return _stream_@[[readableStreamController]].[[Pull]]().
 </emu-alg>
 
 <h3 id="rs-default-controller-class" lt="ReadableStreamDefaultController">Class <code>ReadableStreamDefaultController</code></h3>
@@ -1312,9 +1312,6 @@ it would look like
     close()
     enqueue(chunk)
     error(e)
-
-    _cancel(reason)
-    _pull()
   }
 </code></pre>
 
@@ -1459,22 +1456,20 @@ Instances of <code>ReadableStreamDefaultController</code> are created with the i
   1. Perform ReadableStreamDefaultControllerError(*this*, _e_).
 </emu-alg>
 
-<h5 id="rs-default-controller-private-cancel">_cancel(reason)</h5>
+<h4 id="rs-default-controller-internal-methods">Readable Stream Default Controller Internal Methods</h4>
 
-<div class="note">
-  The <code>_cancel</code> method is only for controller implementations.
-</div>
+The following are additional internal methods implemented by each <code>ReadableStreamDefaultController</code> instance.
+They are similar to the supporting abstract operations in the following section, but are in method form to allow
+polymorphic dispatch from the readable stream implementation to either these or their counterparts for BYOB controllers.
+
+<h5 id="rs-default-controller-private-cancel">\[[Cancel]](reason)</h5>
 
 <emu-alg>
   1. Set *this*@[[queue]] to a new empty List.
   1. Return PromiseInvokeOrNoop(*this*@[[underlyingSource]], `"cancel"`, «_reason_»)
 </emu-alg>
 
-<h5 id="rs-default-controller-private-pull">_pull()</h5>
-
-<div class="note">
-  The <code>_pull</code> method is only for controller implementations.
-</div>
+<h5 id="rs-default-controller-private-pull">\[[Pull]]()</h5>
 
 <emu-alg>
   1. Let _stream_ be *this*@[[controlledReadableStream]].
@@ -1706,9 +1701,6 @@ If one were to write the <code>ReadableStreamBYOBController</code> class in some
     close()
     enqueue(chunk)
     error(e)
-
-    _cancel(reason)
-    _pull()
   }
 </code></pre>
 
@@ -1883,11 +1875,14 @@ table:
   1. Perform ReadableStreamBYOBControllerError(*this*, _e_).
 </emu-alg>
 
-<h5 id="rs-byob-controller-private-cancel">_cancel(reason)</h5>
+<h4 id="rs-byob-controller-internal-methods">Readable Stream BYOB Controller Internal Methods</h4>
 
-<div class="note">
-  The <code>_cancel</code> method is only for controller implementations.
-</div>
+The following are additional internal methods implemented by each <code>ReadableStreamBYOBController</code> instance.
+They are similar to the supporting abstract operations in the following section, but are in method form to allow
+polymorphic dispatch from the readable stream implementation to either these or their counterparts for default
+controllers.
+
+<h5 id="rs-byob-controller-private-cancel">\[[Cancel]](reason)</h5>
 
 <emu-alg>
   1. If *this*@[[pendingPullIntos]] is not empty,
@@ -1898,11 +1893,7 @@ table:
   1. Return PromiseInvokeOrNoop(*this*@[[underlyingByteSource]], `"cancel"`, «_reason_»)
 </emu-alg>
 
-<h5 id="rs-byob-controller-private-pull">_pull()</h5>
-
-<div class="note">
-  The <code>_pull</code> method is only for controller implementations.
-</div>
+<h5 id="rs-byob-controller-private-pull">\[[Pull]]()</h5>
 
 <emu-alg>
   1. Let _stream_ be *this*@[[controlledReadableStream]].