Support for AudioContextOptions latencyHint.

content/shell/renderer/layout_test/layout_test_content_renderer_client.cc

Index: content/shell/renderer/layout_test/layout_test_content_renderer_client.cc
diff --git a/content/shell/renderer/layout_test/layout_test_content_renderer_client.cc b/content/shell/renderer/layout_test/layout_test_content_renderer_client.cc
index 8b5860f46c7290d8d70b8bfe986378319282518c..3487b8a480fa573266ad099dcb192b7eeb72fb9f 100644
--- a/content/shell/renderer/layout_test/layout_test_content_renderer_client.cc
+++ b/content/shell/renderer/layout_test/layout_test_content_renderer_client.cc
@@ -194,12 +194,12 @@ LayoutTestContentRendererClient::OverrideCreateMIDIAccessor(
   return interfaces->CreateMIDIAccessor(client);
 }
 
-WebAudioDevice*
-LayoutTestContentRendererClient::OverrideCreateAudioDevice(
-    double sample_rate) {
+WebAudioDevice* LayoutTestContentRendererClient::OverrideCreateAudioDevice(
+    double sample_rate,
+    int frames_per_buffer) {
   test_runner::WebTestInterfaces* interfaces =
       LayoutTestRenderThreadObserver::GetInstance()->test_interfaces();
-  return interfaces->CreateAudioDevice(sample_rate);
+  return interfaces->CreateAudioDevice(sample_rate, frames_per_buffer);
 }
 
 WebClipboard* LayoutTestContentRendererClient::OverrideWebClipboard() {