Chromecast: adds BrowserCdmFactory that delegates to the platform.

chromecast/browser/media/cast_browser_cdm_factory.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_BROWSER_MEDIA_CAST_BROWSER_CDM_FACTORY_H_
+#define CHROMECAST_BROWSER_MEDIA_CAST_BROWSER_CDM_FACTORY_H_
+
+#include "chromecast/media/base/key_systems_common.h"
+#include "media/base/browser_cdm.h"
+#include "media/base/browser_cdm_factory.h"
+
+namespace chromecast {
+namespace media {
+
+class CastBrowserCdmFactory : public ::media::BrowserCdmFactory {
+ public:
+  CastBrowserCdmFactory() {}
+  ~CastBrowserCdmFactory() override {};
+
+  // ::media::BrowserCdmFactory implementation:
+  scoped_ptr< ::media::BrowserCdm> CreateBrowserCdm(
+      const std::string& key_system,
+      const ::media::BrowserCdm::SessionCreatedCB& session_created_cb,
+      const ::media::BrowserCdm::SessionMessageCB& session_message_cb,
+      const ::media::BrowserCdm::SessionReadyCB& session_ready_cb,
+      const ::media::BrowserCdm::SessionClosedCB& session_closed_cb,
+      const ::media::BrowserCdm::SessionErrorCB& session_error_cb) override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CastBrowserCdmFactory);
+};
+
+// Allow platform-specific CDMs to be provided.
+scoped_ptr< ::media::BrowserCdm> CreatePlatformBrowserCdm(
+    const CastKeySystem& key_system,
+    const ::media::BrowserCdm::SessionCreatedCB& session_created_cb,
+    const ::media::BrowserCdm::SessionMessageCB& session_message_cb,
+    const ::media::BrowserCdm::SessionReadyCB& session_ready_cb,
+    const ::media::BrowserCdm::SessionClosedCB& session_closed_cb,
+    const ::media::BrowserCdm::SessionErrorCB& session_error_cb);
+
+}  // namespace media
+}  // namespace chromecast
+
+#endif  // CHROMECAST_BROWSER_MEDIA_CAST_BROWSER_CDM_FACTORY_H_