Streams Implementation Update: Reader name and Stream methods

Source/core/streams/ReadableStreamReader.idl

Index: Source/core/streams/ReadableStreamReader.idl
diff --git a/Source/core/streams/ExclusiveStreamReader.idl b/Source/core/streams/ReadableStreamReader.idl
similarity index 77%
rename from Source/core/streams/ExclusiveStreamReader.idl
rename to Source/core/streams/ReadableStreamReader.idl
index 1dc03d0227be5a925c17b766dd269ab6d0ba287c..3c98548b4d12250cfbaa25c6b5acc42f8f8ab3b1 100644
--- a/Source/core/streams/ExclusiveStreamReader.idl
+++ b/Source/core/streams/ReadableStreamReader.idl
@@ -2,19 +2,25 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+enum ReadableStreamState {
+    "readable",
+    "waiting",
+    "closed",
+    "errored"
+};
+
 [
     RuntimeEnabled=ExperimentalStream,
     GarbageCollected,
     ActiveDOMObject,
     Exposed=(Window,Worker),
-] interface ExclusiveStreamReader {
+] interface ReadableStreamReader {
     // FIXME: Add constructor.
 
     [CallWith=ScriptState] readonly attribute Promise closed;
     readonly attribute boolean isActive;
     [CallWith=ScriptState] readonly attribute Promise ready;
-    // See ReadableStream.state.
-    readonly attribute DOMString state;
+    readonly attribute ReadableStreamState state;
 
     [CallWith=ScriptState] Promise cancel(any reason);
     [CallWith=ScriptState, RaisesException] any read();