Remove unused static VideoEncoder functions

webrtc/api/video_codecs/video_encoder.h

 /*
  *  Copyright (c) 2014 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 49 matching lines @@
   virtual Result OnEncodedImage(
       const EncodedImage& encoded_image,
       const CodecSpecificInfo* codec_specific_info,
       const RTPFragmentationHeader* fragmentation) = 0;
 
   virtual void OnDroppedFrame() {}
 };
 
 class VideoEncoder {
  public:
-  enum EncoderType {
-    kH264,
-    kVp8,
-    kVp9,
-    kUnsupportedCodec,
-  };
   struct QpThresholds {
     QpThresholds(int l, int h) : low(l), high(h) {}
     QpThresholds() : low(-1), high(-1) {}
     int low;
     int high;
   };
   struct ScalingSettings {
     ScalingSettings(bool on, int low, int high)
         : enabled(on),
           thresholds(rtc::Optional<QpThresholds>(QpThresholds(low, high))) {}
     explicit ScalingSettings(bool on) : enabled(on) {}
     const bool enabled;
     const rtc::Optional<QpThresholds> thresholds;
   };
-  static VideoEncoder* Create(EncoderType codec_type);
-  // Returns true if this type of encoder can be created using
-  // VideoEncoder::Create.
-  static bool IsSupportedSoftware(EncoderType codec_type);
-  static EncoderType CodecToEncoderType(VideoCodecType codec_type);
 
   static VideoCodecVP8 GetDefaultVp8Settings();
   static VideoCodecVP9 GetDefaultVp9Settings();
   static VideoCodecH264 GetDefaultH264Settings();
 
   virtual ~VideoEncoder() {}
 
   // Initialize the encoder with the information from the codecSettings
   //
   // Input:
@@ skipping 79 matching lines @@
     return ScalingSettings(false);
   }
 
   virtual int32_t SetPeriodicKeyFrames(bool enable) { return -1; }
   virtual bool SupportsNativeHandle() const { return false; }
   virtual const char* ImplementationName() const { return "unknown"; }
 };
 
 }  // namespace webrtc
 #endif  // WEBRTC_API_VIDEO_CODECS_VIDEO_ENCODER_H_