Deprecate AudioListener attributes related to doppler

Source/modules/webaudio/AudioListener.idl

Index: Source/modules/webaudio/AudioListener.idl
diff --git a/Source/modules/webaudio/AudioListener.idl b/Source/modules/webaudio/AudioListener.idl
index 6f4645c5959f3e46d72975c46169e71d6b92fe78..7940401c99b06c7507dbbf3c9b91c9829ee4c64d 100644
--- a/Source/modules/webaudio/AudioListener.idl
+++ b/Source/modules/webaudio/AudioListener.idl
@@ -30,10 +30,10 @@
     GarbageCollected,
     Conditional=WEB_AUDIO
 ] interface AudioListener {
-    attribute float dopplerFactor;  // same as OpenAL (default 1.0)
-    attribute float speedOfSound;   // in meters / second (default 343.3)
+    [DeprecateAs=DeprecatedDopplerFactor] attribute float dopplerFactor;  // same as OpenAL (default 1.0)
+    [DeprecateAs=DeprecatedSpeedOfSound] attribute float speedOfSound;   // in meters / second (default 343.3)
 
     void setPosition(float x, float y, float z);
     void setOrientation(float x, float y, float z, float xUp, float yUp, float zUp);
-    void setVelocity(float x, float y, float z);
+    [DeprecateAs=DeprecatedSetVelocity] void setVelocity(float x, float y, float z);
 };