Rebase oscillator sine test result.

LayoutTests/webaudio/oscillator-triangle.html

Index: LayoutTests/webaudio/oscillator-triangle.html
diff --git a/LayoutTests/webaudio/oscillator-triangle.html b/LayoutTests/webaudio/oscillator-triangle.html
index bee5cfea74818015b2d1f94c6467c9522772f5aa..874a9b25b8e24d3c89f8c940f0ae1dbe901dbdab 100644
--- a/LayoutTests/webaudio/oscillator-triangle.html
+++ b/LayoutTests/webaudio/oscillator-triangle.html
@@ -21,7 +21,14 @@ function init() {
     if (!window.testRunner)
         return;
 
-    generateExponentialOscillatorSweep("triangle");
+    // Create offline audio context.
+    context = new OfflineAudioContext(1, sampleRate * lengthInSeconds, sampleRate);
+    generateExponentialOscillatorSweep(context, "triangle");
+
+    context.oncomplete = finishAudioTest;
+    context.startRendering();    
+
+    testRunner.waitUntilDone();
 }
 
 </script>