Add dedicated PipelineStatus UMAs for encrypted playback

media/filters/decrypting_video_decoder.h

 // Copyright (c) 2012 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_FILTERS_DECRYPTING_VIDEO_DECODER_H_
 #define MEDIA_FILTERS_DECRYPTING_VIDEO_DECODER_H_
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "media/base/decryptor.h"
@@ skipping 23 matching lines @@
   // VideoDecoder implementation.
   std::string GetDisplayName() const override;
   void Initialize(const VideoDecoderConfig& config,
                   bool low_delay,
                   const PipelineStatusCB& status_cb,
                   const OutputCB& output_cb) override;
   void Decode(const scoped_refptr<DecoderBuffer>& buffer,
               const DecodeCB& decode_cb) override;
   void Reset(const base::Closure& closure) override;
 
+  static const char kDecoderName[];
+
  private:
   // For a detailed state diagram please see this link: http://goo.gl/8jAok
   // TODO(xhwang): Add a ASCII state diagram in this file after this class
   // stabilizes.
   enum State {
     kUninitialized = 0,
     kDecryptorRequested,
     kPendingDecoderInit,
     kIdle,
     kPendingDecode,
@@ skipping 57 matching lines @@
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<DecryptingVideoDecoder> weak_factory_;
   base::WeakPtr<DecryptingVideoDecoder> weak_this_;
 
   DISALLOW_COPY_AND_ASSIGN(DecryptingVideoDecoder);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_DECRYPTING_VIDEO_DECODER_H_