Support creating secure decoder in MediaCodecBridge.

media/base/android/media_drm_bridge.h

 // Copyright (c) 2013 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_BASE_ANDROID_MEDIA_DRM_BRIDGE_H_
 #define MEDIA_BASE_ANDROID_MEDIA_DRM_BRIDGE_H_
 
 #include <jni.h>
 #include <string>
 #include <vector>
 
 #include "base/android/scoped_java_ref.h"
 #include "base/callback.h"
+#include "base/memory/scoped_ptr.h"
 #include "media/base/media_export.h"
 #include "media/base/media_keys.h"
 
 namespace media {
 
 class MediaPlayerManager;
 
 // This class provides DRM services for android EME implementation.
 // TODO(qinmin): implement all the functions in this class.
 class MEDIA_EXPORT MediaDrmBridge : public MediaKeys {
  public:
   enum SecurityLevel {
     SECURITY_LEVEL_NONE = 0,
     SECURITY_LEVEL_1 = 1,
     SECURITY_LEVEL_3 = 3,
   };
 
   virtual ~MediaDrmBridge();
 
   // Returns a MediaDrmBridge instance if |scheme_uuid| is supported, or a NULL
   // pointer otherwise.
-  static MediaDrmBridge* Create(int media_keys_id,
-                                const std::vector<uint8>& scheme_uuid,
-                                const std::string& security_level,
-                                MediaPlayerManager* manager);
+  static scoped_ptr<MediaDrmBridge> Create(
+      int media_keys_id,
+      const std::vector<uint8>& scheme_uuid,
+      const std::string& security_level,
+      MediaPlayerManager* manager);
 
   // Checks whether MediaDRM is available.
   static bool IsAvailable();
 
   static bool IsCryptoSchemeSupported(const std::vector<uint8>& scheme_uuid,
                                       const std::string& container_mime_type);
 
   static bool IsSecureDecoderRequired(const std::string& security_level_str);
 
   static bool RegisterMediaDrmBridge(JNIEnv* env);
@@ skipping 58 matching lines @@
   MediaPlayerManager* manager_;
 
   base::Closure media_crypto_ready_cb_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaDrmBridge);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_ANDROID_MEDIA_DRM_BRIDGE_H_