Implement BaseAudioContext

third_party/WebKit/Source/modules/webaudio/BaseAudioContext.idl

Index: third_party/WebKit/Source/modules/webaudio/BaseAudioContext.idl
diff --git a/third_party/WebKit/Source/modules/webaudio/AudioContext.idl b/third_party/WebKit/Source/modules/webaudio/BaseAudioContext.idl
similarity index 71%
copy from third_party/WebKit/Source/modules/webaudio/AudioContext.idl
copy to third_party/WebKit/Source/modules/webaudio/BaseAudioContext.idl
index 7b528c55b63c280f579c36bdfe1624829b7fa0aa..ece0a47ce03479c9eeaf75c79d640e22e3909d8e 100644
--- a/third_party/WebKit/Source/modules/webaudio/AudioContext.idl
+++ b/third_party/WebKit/Source/modules/webaudio/BaseAudioContext.idl
@@ -1,28 +1,8 @@
-/*
- * Copyright (C) 2010, Google Inc. All rights reserved.
- * Copyright (C) 2011 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1.  Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
+// Copyright 2016 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.
 
+// WebAudio spec: https://webaudio.github.io/web-audio-api/#BaseAudioContext
 enum AudioContextState {
     "suspended",
     "running",
@@ -31,13 +11,9 @@ enum AudioContextState {
 
 [
     ActiveScriptWrappable,
-    Constructor,
-    ConstructorCallWith=Document,
     DependentLifetime,
-    ImplementedAs=BaseAudioContext,
     NoInterfaceObject,
-    RaisesException=Constructor,
-] interface AudioContext : EventTarget {
+] interface BaseAudioContext : EventTarget {
     // All rendered audio ultimately connects to destination, which represents the audio hardware.
     readonly attribute AudioDestinationNode destination;
 
@@ -61,11 +37,6 @@ enum AudioContextState {
     // Sources
     [RaisesException, MeasureAs=AudioContextCreateBufferSource] AudioBufferSourceNode createBufferSource();
 
-    [RaisesException, MeasureAs=AudioContextCreateMediaElementSource] MediaElementAudioSourceNode createMediaElementSource(HTMLMediaElement mediaElement);
-
-    [RaisesException, MeasureAs=AudioContextCreateMediaStreamSource] MediaStreamAudioSourceNode createMediaStreamSource(MediaStream mediaStream);
-    [RaisesException, MeasureAs=AudioContextCreateMediaStreamDestination] MediaStreamAudioDestinationNode createMediaStreamDestination();
-
     // Processing nodes
     [RaisesException, MeasureAs=AudioContextCreateGain] GainNode createGain();
     [RaisesException, MeasureAs=AudioContextCreateDelay] DelayNode createDelay(optional double maxDelayTime);
@@ -92,5 +63,11 @@ enum AudioContextState {
     [MeasureAs=AudioContextSuspend, CallWith=ScriptState, ImplementedAs=suspendContext] Promise<void> suspend();
     [MeasureAs=AudioContextResume, CallWith=ScriptState, ImplementedAs=resumeContext] Promise<void> resume();
 
+    // TODO(rtoy): These really belong to the AudioContext, but we need them
+    // here so we can use an offline audio context to test these.
+    [RaisesException, MeasureAs=AudioContextCreateMediaElementSource] MediaElementAudioSourceNode createMediaElementSource(HTMLMediaElement mediaElement);
+    [RaisesException, MeasureAs=AudioContextCreateMediaStreamSource] MediaStreamAudioSourceNode createMediaStreamSource(MediaStream mediaStream);
+    [RaisesException, MeasureAs=AudioContextCreateMediaStreamDestination] MediaStreamAudioDestinationNode createMediaStreamDestination();
+
     attribute EventHandler onstatechange;
 };