Implement author-constructible ReadableStream using V8 extras

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

Index: third_party/WebKit/Source/core/streams/CountQueuingStrategy.js
diff --git a/third_party/WebKit/Source/core/streams/ByteLengthQueuingStrategy.js b/third_party/WebKit/Source/core/streams/CountQueuingStrategy.js
similarity index 55%
copy from third_party/WebKit/Source/core/streams/ByteLengthQueuingStrategy.js
copy to third_party/WebKit/Source/core/streams/CountQueuingStrategy.js
index 5fdb7c99cb6be0b9c4a5d971c384ce8b81c6c486..61567c899512697bcc2a8ce65b931282974f0661 100644
--- a/third_party/WebKit/Source/core/streams/ByteLengthQueuingStrategy.js
+++ b/third_party/WebKit/Source/core/streams/CountQueuingStrategy.js
@@ -1,9 +1,13 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
 (function(global, binding, v8) {
   'use strict';
 
   const defineProperty = global.Object.defineProperty;
 
-  class ByteLengthQueuingStrategy {
+  class CountQueuingStrategy {
     constructor(options) {
       defineProperty(this, 'highWaterMark', {
         value: options.highWaterMark,
@@ -12,11 +16,11 @@
         writable: true
       });
     }
-    size(chunk) { return chunk.byteLength; }
+    size(chunk) { return 1; }
   }
 
-  defineProperty(global, 'ByteLengthQueuingStrategy', {
-    value: ByteLengthQueuingStrategy,
+  defineProperty(global, 'CountQueuingStrategy', {
+    value: CountQueuingStrategy,
     enumerable: false,
     configurable: true,
     writable: true