Replace scoped_ptr with std::unique_ptr in //media.

media/cdm/ppapi/external_clear_key/clear_key_cdm.h

Index: media/cdm/ppapi/external_clear_key/clear_key_cdm.h
diff --git a/media/cdm/ppapi/external_clear_key/clear_key_cdm.h b/media/cdm/ppapi/external_clear_key/clear_key_cdm.h
index 706f4a033cfd4eb2c0b0f2dc89e7afa0bb9931a5..559e4db27b7538387fc45e75bfe59ef85b81e967 100644
--- a/media/cdm/ppapi/external_clear_key/clear_key_cdm.h
+++ b/media/cdm/ppapi/external_clear_key/clear_key_cdm.h
@@ -7,13 +7,13 @@
 
 #include <stdint.h>
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "media/base/cdm_key_information.h"
 #include "media/cdm/aes_decryptor.h"
@@ -202,12 +202,12 @@ class ClearKeyCdm : public ClearKeyCdmInterface {
 #endif  // CLEAR_KEY_CDM_USE_FAKE_AUDIO_DECODER
 
 #if defined(CLEAR_KEY_CDM_USE_FFMPEG_DECODER)
-  scoped_ptr<FFmpegCdmAudioDecoder> audio_decoder_;
+  std::unique_ptr<FFmpegCdmAudioDecoder> audio_decoder_;
 #endif  // CLEAR_KEY_CDM_USE_FFMPEG_DECODER
 
-  scoped_ptr<CdmVideoDecoder> video_decoder_;
+  std::unique_ptr<CdmVideoDecoder> video_decoder_;
 
-  scoped_ptr<FileIOTestRunner> file_io_test_runner_;
+  std::unique_ptr<FileIOTestRunner> file_io_test_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(ClearKeyCdm);
 };