Support for AudioContextOptions latencyHint.

content/shell/renderer/layout_test/layout_test_content_renderer_client.cc

 // Copyright (c) 2014 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 "content/shell/renderer/layout_test/layout_test_content_renderer_client.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/debug/debugger.h"
 #include "base/memory/ptr_util.h"
@@ skipping 176 matching lines @@
 }
 
 WebMIDIAccessor*
 LayoutTestContentRendererClient::OverrideCreateMIDIAccessor(
     WebMIDIAccessorClient* client) {
   test_runner::WebTestInterfaces* interfaces =
       LayoutTestRenderThreadObserver::GetInstance()->test_interfaces();
   return interfaces->CreateMIDIAccessor(client);
 }
 
-WebAudioDevice*
-LayoutTestContentRendererClient::OverrideCreateAudioDevice(
-    double sample_rate) {
+WebAudioDevice* LayoutTestContentRendererClient::OverrideCreateAudioDevice() {
   test_runner::WebTestInterfaces* interfaces =
       LayoutTestRenderThreadObserver::GetInstance()->test_interfaces();
-  return interfaces->CreateAudioDevice(sample_rate);
+  return interfaces->CreateAudioDevice(44100, 128);
 }
 
 WebClipboard* LayoutTestContentRendererClient::OverrideWebClipboard() {
   if (!clipboard_)
     clipboard_.reset(new MockWebClipboardImpl);
   return clipboard_.get();
 }
 
 WebThemeEngine* LayoutTestContentRendererClient::OverrideThemeEngine() {
   return LayoutTestRenderThreadObserver::GetInstance()
@@ skipping 67 matching lines @@
           switches::kStableReleaseMode)) {
     blink::WebRuntimeFeatures::enableTestOnlyFeatures(true);
   }
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableFontAntialiasing)) {
     blink::setFontAntialiasingEnabledForTest(true);
   }
 }
 
 }  // namespace content