Media Remoting: Add remoting control logic for encrypted contents.

media/remoting/remoting_cdm_factory.h

Index: media/remoting/remoting_cdm_factory.h
diff --git a/media/remoting/remoting_cdm_factory.h b/media/remoting/remoting_cdm_factory.h
new file mode 100644
index 0000000000000000000000000000000000000000..929aecbcc4da00d7ddf2961e7f0881012034c23d
--- /dev/null
+++ b/media/remoting/remoting_cdm_factory.h
@@ -0,0 +1,60 @@
+// Copyright 2016 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 MEDIA_REMOTING_REMOTING_CDM_FACTORY_H_
+#define MEDIA_REMOTING_REMOTING_CDM_FACTORY_H_
+
+#include "base/memory/weak_ptr.h"
+#include "media/base/cdm_factory.h"
+#include "media/mojo/interfaces/remoting.mojom.h"
+#include "media/remoting/remoting_cdm_controller.h"
+#include "media/remoting/remoting_sink_observer.h"
+
+namespace media {
+
+// TODO(xjz): Merge this with Eric's implementation.
+class RemotingCdmFactory : public CdmFactory {
+ public:
+  // |remoter_factory| is expected to outlive this class.
+  // |sink_observer| monitors the remoting sink availablity, which is used to
+  // initialize RemotingSourceImpl when created to avoid possible delay of
+  // OnSinkAvailable() call from browser.
+  RemotingCdmFactory(std::unique_ptr<CdmFactory> default_cdm_factory,
+                     mojom::RemoterFactory* remoter_factory,
+                     std::unique_ptr<RemotingSinkObserver> sink_observer);
+  ~RemotingCdmFactory() override;
+
+  void Create(const std::string& key_system,
+              const GURL& security_origin,
+              const CdmConfig& cdm_config,
+              const SessionMessageCB& session_message_cb,
+              const SessionClosedCB& session_closed_cb,
+              const SessionKeysChangeCB& session_keys_change_cb,
+              const SessionExpirationUpdateCB& session_expiration_update_cb,
+              const CdmCreatedCB& cdm_created_cb) override;
+
+ private:
+  std::unique_ptr<RemotingCdmController> CreateRemotingCdmController();
+  void CreateCdm(const std::string& key_system,
+                 const GURL& security_origin,
+                 const CdmConfig& cdm_config,
+                 const SessionMessageCB& session_message_cb,
+                 const SessionClosedCB& session_closed_cb,
+                 const SessionKeysChangeCB& session_keys_change_cb,
+                 const SessionExpirationUpdateCB& session_expiration_update_cb,
+                 const CdmCreatedCB& cdm_created_cb,
+                 std::unique_ptr<RemotingCdmController> remoting_cdm_controller,
+                 bool is_remoting);
+
+  const std::unique_ptr<CdmFactory> default_cdm_factory_;
+  mojom::RemoterFactory* const remoter_factory_;  // Outlives this class.
+  std::unique_ptr<RemotingSinkObserver> sink_observer_;
+  base::WeakPtrFactory<RemotingCdmFactory> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(RemotingCdmFactory);
+};
+
+}  // namespace media
+
+#endif  // MEDIA_REMOTING_REMOTING_CDM_FACTORY_H_