Splitting out the Audio library.

sdk/lib/_internal/compiler/implementation/compiler.dart

Index: sdk/lib/_internal/compiler/implementation/compiler.dart
diff --git a/sdk/lib/_internal/compiler/implementation/compiler.dart b/sdk/lib/_internal/compiler/implementation/compiler.dart
index e4168043e997239604dbdbb60437fd584ee8c811..45e9a7503f8b0fdf94611fd892ae48ae71f186f0 100644
--- a/sdk/lib/_internal/compiler/implementation/compiler.dart
+++ b/sdk/lib/_internal/compiler/implementation/compiler.dart
@@ -493,6 +493,7 @@ abstract class Compiler implements DiagnosticListener {
         || libraryName == 'dart:mirrors'
         || libraryName == 'dart:isolate'
         || libraryName == 'dart:math'
+        || libraryName == 'dart:audio'

[Emily Fortuna, 2012/11/20 22:38:17]

should we call this htmlaudio instead? the svg lib is a bit more obviously html
oriented than just "dart:audio"

[blois, 2012/11/20 23:46:11]

Pretty much all of the APIs are from the 'Web Audio' spec, so web_audio may be
better.

Also, I have AudioElement moved into here as well, though that may be better in
dart:html.

         || libraryName == 'dart:html'
         || libraryName == 'dart:svg') {
       if (libraryName == 'dart:html' || libraryName == 'dart:mirrors') {