media: Support SetCdm() on VideoDecodeAccelerator interface.

content/common/gpu/media/android_video_decode_accelerator.h

Index: content/common/gpu/media/android_video_decode_accelerator.h
diff --git a/content/common/gpu/media/android_video_decode_accelerator.h b/content/common/gpu/media/android_video_decode_accelerator.h
index 75ed78538cf25eb06b9de6536a6091ef1096bee5..d690a69db9373bfc6ff5c38ed4e063e76f50b179 100644
--- a/content/common/gpu/media/android_video_decode_accelerator.h
+++ b/content/common/gpu/media/android_video_decode_accelerator.h
@@ -94,6 +94,8 @@ class CONTENT_EXPORT AndroidVideoDecodeAccelerator
 
   ~AndroidVideoDecodeAccelerator() override;
 
+  // media::VideoDecodeAccelerator implementation:
+
   // Does not take ownership of |client| which must outlive |*this|.
   bool Initialize(media::VideoCodecProfile profile, Client* client) override;
   void Decode(const media::BitstreamBuffer& bitstream_buffer) override;
@@ -102,10 +104,11 @@ class CONTENT_EXPORT AndroidVideoDecodeAccelerator
   void ReusePictureBuffer(int32 picture_buffer_id) override;
   void Flush() override;
   void Reset() override;
+  void SetCdm(int cdm_id) override;
   void Destroy() override;
   bool CanDecodeOnIOThread() override;
 
-  // AndroidVideoDecodeStateProvider
+  // AVDAStateProvider implementation:
   const gfx::Size& GetSize() const override;
   const base::ThreadChecker& ThreadChecker() const override;
   base::WeakPtr<gpu::gles2::GLES2Decoder> GetGlDecoder() const override;
@@ -159,6 +162,9 @@ class CONTENT_EXPORT AndroidVideoDecodeAccelerator
   // Notifies the client that the decoder was reset.
   void NotifyResetDone();
 
+  // Notifies the client of the CDM setting result.
+  void NotifyCdmSet(bool success);
+
   // Notifies about decoding errors.
   void NotifyError(media::VideoDecodeAccelerator::Error error);