Initial checkin of chromecast content embedder (cast_shell) and related build scripts.

chromecast/shell/renderer/cast_content_renderer_client.h

+// Copyright 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.
+
+#ifndef CHROMECAST_SHELL_RENDERER_CAST_CONTENT_RENDERER_CLIENT_H_
+#define CHROMECAST_SHELL_RENDERER_CAST_CONTENT_RENDERER_CLIENT_H_
+
+#include "content/public/renderer/content_renderer_client.h"
+
+namespace chromecast {
+namespace shell {
+
+class CastContentRendererClient : public content::ContentRendererClient {
+ public:
+  CastContentRendererClient() {}
+  virtual ~CastContentRendererClient() {}
+
+  // ContentRendererClient implementation:
+  virtual void RenderThreadStarted() OVERRIDE;
+  virtual void AddKeySystems(
+      std::vector<content::KeySystemInfo>* key_systems) OVERRIDE;
+};
+
+}  // namespace shell
+}  // namespace chromecast
+
+#endif  // CHROMECAST_SHELL_RENDERER_CAST_CONTENT_RENDERER_CLIENT_H_