Histograms for H264EncoderImpl/H264DecoderImpl initialization and errors

webrtc/modules/video_coding/codecs/h264/h264_encoder_impl.h

 /*
  *  Copyright (c) 2015 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 @@
                  const std::vector<FrameType>* frame_types) override;
 
   // Unsupported / Do nothing.
   int32_t SetChannelParameters(uint32_t packet_loss, int64_t rtt) override;
   int32_t SetPeriodicKeyFrames(bool enable) override;
   void OnDroppedFrame() override;
 
  private:
   bool IsInitialized() const;
 
+  // Reports statistics with histograms.
+  void ReportInit();
+  void ReportError();
+
   ISVCEncoder* openh264_encoder_;
   VideoCodec codec_settings_;
 
   EncodedImage encoded_image_;
   rtc::scoped_ptr<uint8_t[]> encoded_image_buffer_;
   EncodedImageCallback* encoded_image_callback_;
+
+  bool has_reported_init_;
+  bool has_reported_error_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_CODING_CODECS_H264_H264_ENCODER_IMPL_H_