Use a mock WebAudioDevice for layout tests

content/shell/renderer/shell_content_renderer_client.cc

 // Copyright (c) 2012 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/shell_content_renderer_client.h"
 
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/debug/debugger.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/renderer/render_view.h"
 #include "content/public/test/layouttest_support.h"
 #include "content/shell/common/shell_switches.h"
 #include "content/shell/renderer/shell_render_process_observer.h"
 #include "content/shell/renderer/shell_render_view_observer.h"
 #include "content/shell/renderer/webkit_test_runner.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamCenter.h"
 #include "third_party/WebKit/public/testing/WebTestInterfaces.h"
 #include "third_party/WebKit/public/testing/WebTestProxy.h"
 #include "third_party/WebKit/public/testing/WebTestRunner.h"
 #include "third_party/WebKit/public/web/WebPluginParams.h"
 #include "third_party/WebKit/public/web/WebView.h"
 #include "v8/include/v8.h"
 #include "webkit/mocks/mock_webhyphenator.h"
 #include "webkit/support/mock_webclipboard_impl.h"
 
+using WebKit::WebAudioDevice;
 using WebKit::WebClipboard;
 using WebKit::WebFrame;
 using WebKit::WebHyphenator;
 using WebKit::WebMIDIAccessor;
 using WebKit::WebMIDIAccessorClient;
 using WebKit::WebMediaStreamCenter;
 using WebKit::WebMediaStreamCenterClient;
 using WebKit::WebPlugin;
 using WebKit::WebPluginParams;
 using WebKit::WebRTCPeerConnectionHandler;
@@ skipping 108 matching lines @@
 }
 
 WebMIDIAccessor*
 ShellContentRendererClient::OverrideCreateMIDIAccessor(
     WebMIDIAccessorClient* client) {
   WebTestInterfaces* interfaces =
       ShellRenderProcessObserver::GetInstance()->test_interfaces();
   return interfaces->createMIDIAccessor(client);
 }
 
+WebAudioDevice*
+ShellContentRendererClient::OverrideCreateAudioDevice(
+    double sample_rate) {
+  WebTestInterfaces* interfaces =
+      ShellRenderProcessObserver::GetInstance()->test_interfaces();
+  return interfaces->createAudioDevice(sample_rate);
+}
+
 WebClipboard* ShellContentRendererClient::OverrideWebClipboard() {
   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree))
     return NULL;
   if (!clipboard_)
     clipboard_.reset(new MockWebClipboardImpl);
   return clipboard_.get();
 }
 
 WebHyphenator* ShellContentRendererClient::OverrideWebHyphenator() {
   if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kDumpRenderTree))
@@ skipping 28 matching lines @@
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableBrowserPluginForAllViewTypes)) {
     // Allow BrowserPlugin if forced by command line flag. This is generally
     // true for tests.
     return true;
   }
   return ContentRendererClient::AllowBrowserPlugin(container);
 }
 
 }  // namespace content