WebMediaPlayerImpl needs to own the audio source provider.

webkit/tools/test_shell/test_webview_delegate.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.
 
 // This file contains the implementation of TestWebViewDelegate, which serves
 // as the WebViewDelegate for the TestShellWebHost.  The host is expected to
 // have initialized a MessageLoop before these methods are called.
 
 #include "webkit/tools/test_shell/test_webview_delegate.h"
 
@@ skipping 631 matching lines @@
 
   scoped_ptr<media::FilterCollection> collection(
       new media::FilterCollection());
 
   return new webkit_media::WebMediaPlayerImpl(
       frame,
       client,
       base::WeakPtr<webkit_media::WebMediaPlayerDelegate>(),
       collection.release(),
       NULL,
+      NULL,
       message_loop_factory.release(),
       NULL,
       new media::MediaLog());
 }
 
 WebApplicationCacheHost* TestWebViewDelegate::createApplicationCacheHost(
     WebFrame* frame, WebApplicationCacheHostClient* client) {
   return SimpleAppCacheSystem::CreateApplicationCacheHost(client);
 }
 
@@ skipping 477 matching lines @@
 }
 
 void TestWebViewDelegate::set_fake_window_rect(const WebRect& rect) {
   fake_rect_ = rect;
   using_fake_rect_ = true;
 }
 
 WebRect TestWebViewDelegate::fake_window_rect() {
   return fake_rect_;
 }