Support for AudioContextOptions latencyHint.

components/test_runner/web_test_interfaces.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/test_runner/web_test_interfaces.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "components/test_runner/mock_web_audio_device.h"
@@ skipping 60 matching lines @@
 WebTestInterfaces::CreateWebRTCPeerConnectionHandler(
     WebRTCPeerConnectionHandlerClient* client) {
   return new MockWebRTCPeerConnectionHandler(client, interfaces_.get());
 }
 
 WebMIDIAccessor* WebTestInterfaces::CreateMIDIAccessor(
     WebMIDIAccessorClient* client) {
   return new MockWebMIDIAccessor(client, interfaces_.get());
 }
 
-WebAudioDevice* WebTestInterfaces::CreateAudioDevice(double sample_rate) {
-  return new MockWebAudioDevice(sample_rate);
+WebAudioDevice* WebTestInterfaces::CreateAudioDevice(double sample_rate,
+                                                     int frames_per_buffer) {
+  return new MockWebAudioDevice(sample_rate, frames_per_buffer);
 }
 
 std::unique_ptr<WebFrameTestClient> WebTestInterfaces::CreateWebFrameTestClient(
     WebViewTestProxyBase* web_view_test_proxy_base,
     WebFrameTestProxyBase* web_frame_test_proxy_base) {
   // TODO(lukasza): Do not pass the WebTestDelegate below - it's lifetime can
   // differ from the lifetime of WebFrameTestClient - https://crbug.com/606594.
   return base::MakeUnique<WebFrameTestClient>(interfaces_->GetDelegate(),
                                               web_view_test_proxy_base,
                                               web_frame_test_proxy_base);
@@ skipping 11 matching lines @@
 }
 
 std::vector<blink::WebView*> WebTestInterfaces::GetWindowList() {
   std::vector<blink::WebView*> result;
   for (WebViewTestProxyBase* proxy : interfaces_->GetWindowList())
     result.push_back(proxy->web_view());
   return result;
 }
 
 }  // namespace test_runner