Switch to new createAudioDevice() API in TestWebKitPlatformSupport

webkit/support/test_webkit_platform_support.cc

Index: webkit/support/test_webkit_platform_support.cc
===================================================================
--- webkit/support/test_webkit_platform_support.cc	(revision 176961)
+++ webkit/support/test_webkit_platform_support.cc	(working copy)
@@ -444,6 +444,14 @@
 }
 
 WebKit::WebAudioDevice* TestWebKitPlatformSupport::createAudioDevice(
+    size_t bufferSize, unsigned numberOfInputChannels,
+    unsigned numberOfChannels, double sampleRate,
+    WebKit::WebAudioDevice::RenderCallback*) {
+  return new WebAudioDeviceMock(sampleRate);
+}
+
+// TODO(crogers): remove once WebKit switches to new API.
+WebKit::WebAudioDevice* TestWebKitPlatformSupport::createAudioDevice(
     size_t bufferSize, unsigned numberOfChannels, double sampleRate,
     WebKit::WebAudioDevice::RenderCallback*) {
   return new WebAudioDeviceMock(sampleRate);