Fix ReadableStream getReader({mode: 'byob'})

third_party/WebKit/Source/core/streams/ReadableStream.js

Index: third_party/WebKit/Source/core/streams/ReadableStream.js
diff --git a/third_party/WebKit/Source/core/streams/ReadableStream.js b/third_party/WebKit/Source/core/streams/ReadableStream.js
index efac76a889537de85632d6713cd1642caaf30c68..321a812adef995f894f9fba6dc0ba9a0043313a4 100644
--- a/third_party/WebKit/Source/core/streams/ReadableStream.js
+++ b/third_party/WebKit/Source/core/streams/ReadableStream.js
@@ -172,11 +172,14 @@
       }
 
       if (mode === 'byob') {
-        if (IsReadableByteStreamDefaultController(this[readableStreamController]) === false) {
+        // TODO(ricea): This should be "If
+        // ! IsReadableByteStreamController(this.[[readableStreamController]])
+        // is false".
+        if (IsReadableStreamDefaultController(this[readableStreamController])) {

[tyoshino (SeeGerritForStatus), 2016/10/20 10:26:01]

i think it's ok not to have this if and just throw now.

[Adam Rice, 2016/10/20 10:35:34]

Done.

           throw new TypeError(errGetReaderNotByteStream);
         }
 
-        return AcquireReadableStreamBYOBReader(this);
+        // TODO(ricea): "Return ? AcquireReadableStreamBYOBReader(this)."
       }
 
       if (mode === undefined) {