Replace RTC_DCHECK(false) with RTC_NOTREACHED().

webrtc/media/engine/webrtcvideoengine2.cc

 /*
  *  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 1725 matching lines @@
 
   // Try creating internal encoder.
   InternalEncoderFactory internal_encoder_factory;
   if (FindMatchingCodec(internal_encoder_factory.supported_codecs(), codec)) {
     return AllocatedEncoder(internal_encoder_factory.CreateVideoEncoder(codec),
                             codec, false /* is_external */);
   }
 
   // This shouldn't happen, we should not be trying to create something we don't
   // support.
-  RTC_DCHECK(false);
+  RTC_NOTREACHED();
   return AllocatedEncoder(NULL, cricket::VideoCodec(), false);
 }
 
 void WebRtcVideoChannel2::WebRtcVideoSendStream::DestroyVideoEncoder(
     AllocatedEncoder* encoder) {
   RTC_DCHECK_RUN_ON(&thread_checker_);
   if (encoder->external) {
     external_encoder_factory_->DestroyVideoEncoder(encoder->external_encoder);
   }
   delete encoder->encoder;
@@ skipping 830 matching lines @@
         rtx_mapping[video_codecs[i].codec.id] !=
             ulpfec_config.red_payload_type) {
       video_codecs[i].rtx_payload_type = rtx_mapping[video_codecs[i].codec.id];
     }
   }
 
   return video_codecs;
 }
 
 }  // namespace cricket