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 4fc97bdc4bfa32a455dc6a1d94c765854d5cc46b..fb761ebddabd999ca97d5477f079c37ed8552566 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
@@ -193,12 +193,12 @@ 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() {