Introduce content::RenderWidgetHostViewPort (in content/port/browser).

content/port/browser/render_widget_host_view_port.cc

Index: content/port/browser/render_widget_host_view_port.cc
diff --git a/content/port/browser/render_widget_host_view_port.cc b/content/port/browser/render_widget_host_view_port.cc
new file mode 100644
index 0000000000000000000000000000000000000000..66362ff4828a071ce0afd8fefc8d80ccd9c08c57
--- /dev/null
+++ b/content/port/browser/render_widget_host_view_port.cc
@@ -0,0 +1,27 @@
+// 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/port/browser/render_widget_host_view_port.h"
+
+namespace content {
+
+RenderWidgetHostViewPort::RenderWidgetHostViewPort() {
+}
+
+RenderWidgetHostViewPort::~RenderWidgetHostViewPort() {
+}
+
+// static
+RenderWidgetHostViewPort* RenderWidgetHostViewPort::FromRWHV(
+    RenderWidgetHostView* rwhv) {
+  return static_cast<RenderWidgetHostViewPort*>(rwhv);
+}
+
+// static
+RenderWidgetHostViewPort* RenderWidgetHostViewPort::CreateViewForWidget(

[jam, 2012/02/15 17:02:19]

nit: can we put these two static methods somewhere in content/browser
(render_widget_host_view_base.cc?) and avoid this cc file altogether?

[Jói, 2012/02/16 12:41:42]

Done.

+    RenderWidgetHost* widget) {
+  return FromRWHV(RenderWidgetHostView::CreateViewForWidget(widget));
+}
+
+}  // namespace content