Delete unused members from VideoOptions

talk/app/webrtc/mediaconstraintsinterface.h

 /*
  * libjingle
  * Copyright 2013 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 99 matching lines @@
   // Temporary pseudo-constraints used to enable DataChannels
   static const char kEnableRtpDataChannels[];  // Enable RTP DataChannels
   // Google-specific constraint keys.
   // Temporary pseudo-constraint for enabling DSCP through JS.
   static const char kEnableDscp[];  // googDscp
   // Constraint to enable IPv6 through JS.
   static const char kEnableIPv6[];  // googIPv6
   // Temporary constraint to enable suspend below min bitrate feature.
   static const char kEnableVideoSuspendBelowMinBitrate[];
       // googSuspendBelowMinBitrate
-  static const char kNumUnsignalledRecvStreams[];
-      // googNumUnsignalledRecvStreams
   // Constraint to enable combined audio+video bandwidth estimation.
   static const char kCombinedAudioVideoBwe[];  // googCombinedAudioVideoBwe
   static const char kScreencastMinBitrate[];  // googScreencastMinBitrate
   static const char kCpuOveruseDetection[];  // googCpuOveruseDetection
-  static const char kCpuUnderuseThreshold[];  // googCpuUnderuseThreshold
-  static const char kCpuOveruseThreshold[];  // googCpuOveruseThreshold
-  // Low cpu adaptation threshold for relative standard deviation of encode
-  // time.
-  static const char kCpuUnderuseEncodeRsdThreshold[];
-  // High cpu adaptation threshold for relative standard deviation of encode
-  // time.
-  static const char kCpuOveruseEncodeRsdThreshold[];
-  static const char kCpuOveruseEncodeUsage[];  // googCpuOveruseEncodeUsage
-  static const char kHighStartBitrate[];  // googHighStartBitrate
   static const char kPayloadPadding[];  // googPayloadPadding
 
   // The prefix of internal-only constraints whose JS set values should be
   // stripped by Chrome before passed down to Libjingle.
   static const char kInternalConstraintPrefix[];
 
  protected:
   // Dtor protected as objects shouldn't be deleted via this interface
   virtual ~MediaConstraintsInterface() {}
 };
 
 bool FindConstraint(const MediaConstraintsInterface* constraints,
                     const std::string& key, bool* value,
                     size_t* mandatory_constraints);
 
 }  // namespace webrtc
 
 #endif  // TALK_APP_WEBRTC_MEDIACONSTRAINTSINTERFACE_H_