Simplify VCMTimestampMap.

webrtc/modules/video_coding/main/source/generic_decoder.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 28 matching lines @@
     virtual ~VCMDecodedFrameCallback();
     void SetUserReceiveCallback(VCMReceiveCallback* receiveCallback);
     VCMReceiveCallback* UserReceiveCallback();
 
     virtual int32_t Decoded(VideoFrame& decodedImage);
     virtual int32_t ReceivedDecodedReferenceFrame(const uint64_t pictureId);
     virtual int32_t ReceivedDecodedFrame(const uint64_t pictureId);
 
     uint64_t LastReceivedPictureID() const;
 
-    int32_t Map(uint32_t timestamp, VCMFrameInformation* frameInfo);
+    void Map(uint32_t timestamp, VCMFrameInformation* frameInfo);
     int32_t Pop(uint32_t timestamp);
 
 private:
     // Protect |_receiveCallback| and |_timestampMap|.
     CriticalSectionWrapper* _critSect;
     Clock* _clock;
     VCMReceiveCallback* _receiveCallback;  // Guarded by |_critSect|.
     VCMTiming& _timing;
     VCMTimestampMap _timestampMap;  // Guarded by |_critSect|.
     uint64_t _lastReceivedPictureID;
@@ skipping 43 matching lines @@
     uint32_t                    _nextFrameInfoIdx;
     VideoDecoder&               _decoder;
     VideoCodecType              _codecType;
     bool                        _isExternal;
     bool                        _keyFrameDecoded;
 };
 
 }  // namespace webrtc
 
 #endif // WEBRTC_MODULES_VIDEO_CODING_GENERIC_DECODER_H_