Add QP sum stats for received streams.

webrtc/modules/video_coding/include/mock/mock_video_codec_interface.h

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 39 matching lines @@
                        uint32_t frameRate));
   MOCK_METHOD1(SetPeriodicKeyFrames, int32_t(bool enable));
 };
 
 class MockDecodedImageCallback : public DecodedImageCallback {
  public:
   MOCK_METHOD1(Decoded, int32_t(VideoFrame& decodedImage));  // NOLINT
   MOCK_METHOD2(Decoded,
                int32_t(VideoFrame& decodedImage,  // NOLINT
                        int64_t decode_time_ms));
+  MOCK_METHOD3(Decoded,
+               void(VideoFrame& decodedImage,  // NOLINT
+                    rtc::Optional<int32_t> decode_time_ms,
+                    rtc::Optional<uint8_t> qp));
   MOCK_METHOD1(ReceivedDecodedReferenceFrame,
                int32_t(const uint64_t pictureId));
   MOCK_METHOD1(ReceivedDecodedFrame, int32_t(const uint64_t pictureId));
 };
 
 class MockVideoDecoder : public VideoDecoder {
  public:
   MOCK_METHOD2(InitDecode,
                int32_t(const VideoCodec* codecSettings, int32_t numberOfCores));
   MOCK_METHOD5(Decode,
                int32_t(const EncodedImage& inputImage,
                        bool missingFrames,
                        const RTPFragmentationHeader* fragmentation,
                        const CodecSpecificInfo* codecSpecificInfo,
                        int64_t renderTimeMs));
   MOCK_METHOD1(RegisterDecodeCompleteCallback,
                int32_t(DecodedImageCallback* callback));
   MOCK_METHOD0(Release, int32_t());
   MOCK_METHOD0(Copy, VideoDecoder*());
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_INCLUDE_MOCK_MOCK_VIDEO_CODEC_INTERFACE_H_