Rebase oscillator sine test result.

LayoutTests/webaudio/oscillator-sawtooth.html

Index: LayoutTests/webaudio/oscillator-sawtooth.html
diff --git a/LayoutTests/webaudio/oscillator-sawtooth.html b/LayoutTests/webaudio/oscillator-sawtooth.html
index cf5fc25d9ac9684c151be4fb69d5501708bba482..fad0014c242313ae61f96046c325378634e2acc2 100644
--- a/LayoutTests/webaudio/oscillator-sawtooth.html
+++ b/LayoutTests/webaudio/oscillator-sawtooth.html
@@ -21,7 +21,14 @@ function init() {
     if (!window.testRunner)
         return;
 
-    generateExponentialOscillatorSweep(OSC.SAWTOOTH);
+    // Create offline audio context.
+    context = new OfflineAudioContext(1, sampleRate * lengthInSeconds, sampleRate);
+    generateExponentialOscillatorSweep(context, "sawtooth");
+
+    context.oncomplete = finishAudioTest;
+    context.startRendering();    
+
+    testRunner.waitUntilDone();
 }
 
 </script>