Support for AudioContextOptions latencyHint.

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/BaseAudioContext.idl b/third_party/WebKit/Source/modules/webaudio/BaseAudioContext.idl
index 274ea99c335be7167422a0e2fa788cd30eb5e31a..e6f3a5cb4a8fc1bf053c4492abefcb189ef923f9 100644
--- a/third_party/WebKit/Source/modules/webaudio/BaseAudioContext.idl
+++ b/third_party/WebKit/Source/modules/webaudio/BaseAudioContext.idl
@@ -9,6 +9,12 @@ enum AudioContextState {
     "closed"
 };
 
+enum AudioContextLatencyCategory {
+    "balanced",
+    "interactive",
+    "playback"
+};

[Raymond Toy, 2016/11/15 18:16:17]

I think this should be defined in AudioContext.idl, not here, since the latency
does not apply to BaseAudioContext because OfflineAudioContext does not have a
latency option.

[Andrew MacPherson, 2016/11/16 10:58:29]

You're right, this will be fixed in the next commit.

+
 [
     ActiveScriptWrappable,
     DependentLifetime,