Remove kProtectionKey* and VCMKeyRequestMode.

webrtc/modules/video_coding/main/interface/video_coding_defines.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 22 matching lines @@
 #define VCM_JITTER_BUFFER_ERROR -9
 #define VCM_OLD_PACKET_ERROR    -10
 #define VCM_NO_FRAME_DECODED    -11
 #define VCM_ERROR_REQUEST_SLI   -12
 #define VCM_NOT_IMPLEMENTED     -20
 
 enum { kDefaultStartBitrateKbps = 300 };
 
 enum VCMVideoProtection {
   kProtectionNone,
-  kProtectionNack,                // Both send-side and receive-side
+  kProtectionNack,
   kProtectionFEC,
   kProtectionNackFEC,
-  kProtectionKeyOnLoss,
-  kProtectionKeyOnKeyLoss,
 };
 
 enum VCMTemporalDecimation {
   kBitrateOverUseDecimation,
 };
 
 struct VCMFrameCount {
   uint32_t numKeyFrames;
   uint32_t numDeltaFrames;
 };
@@ skipping 136 matching lines @@
   virtual void RenderBufferSizeMs(int buffer_size_ms) = 0;
 
  protected:
   virtual ~VCMRenderBufferSizeCallback() {
   }
 };
 
 }  // namespace webrtc
 
 #endif // WEBRTC_MODULES_INTERFACE_VIDEO_CODING_DEFINES_H_