Change AudioOutputDeviceClientImpl to use WebLocalFrameBase and move to modules.

third_party/WebKit/Source/web/WebInitializer.cpp

Index: third_party/WebKit/Source/web/WebInitializer.cpp
diff --git a/third_party/WebKit/Source/web/WebInitializer.cpp b/third_party/WebKit/Source/web/WebInitializer.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..198390b12c79cd214d1cd6faf39382376afeda3a
--- /dev/null
+++ b/third_party/WebKit/Source/web/WebInitializer.cpp
@@ -0,0 +1,21 @@
+// Copyright 2017 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 "web/WebInitializer.h"
+
+#include "core/frame/WebLocalFrameBase.h"
+#include "web/WebLocalFrameImpl.h"
+
+namespace blink {
+
+void WebInitializer::Initialize() {
+  // Initialize WebLocalFrameBase with method to construct WebLocalFrameImpl.
+  WebLocalFrameBase::RegisterCreateFromLocalFramePtrCallback(
+      [](LocalFrame* frame) {
+        return static_cast<WebLocalFrameBase*>(

[dcheng, 2017/05/05 06:29:58]

Nit: I think this static cast isn't needed, as WebLocalFrameBase is a subclass.

[slangley, 2017/05/05 09:25:08]

Doesn't compile without the cast unfortunately - get no viable conversion
errors.

+            WebLocalFrameImpl::FromFrame(frame));
+      });
+}
+
+}  // namespace blink