Implement AudioScheduledSourceNode

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

Index: third_party/WebKit/Source/modules/webaudio/ConstantSourceNode.idl
diff --git a/third_party/WebKit/Source/modules/webaudio/ConstantSourceNode.idl b/third_party/WebKit/Source/modules/webaudio/ConstantSourceNode.idl
index e99a9ccc037c7b4b275e618b9d4b1f1d1e7d8d55..b281ad2c690548df778bfb8e4044b22b8a31c50a 100644
--- a/third_party/WebKit/Source/modules/webaudio/ConstantSourceNode.idl
+++ b/third_party/WebKit/Source/modules/webaudio/ConstantSourceNode.idl
@@ -7,11 +7,9 @@
     Constructor(BaseAudioContext context, optional ConstantSourceOptions options),
     RaisesException=Constructor,
     ActiveScriptWrappable,
+    DependentLifetime,
     Measure
 ]
-interface ConstantSourceNode : AudioSourceNode {
+interface ConstantSourceNode : AudioScheduledSourceNode {
     readonly attribute AudioParam offset;
-    [RaisesException] void start(optional double when);
-    [RaisesException] void stop(optional double when);
-    attribute EventHandler onended;
 };