base: Remove the string logging from CHECK().

media/filters/ffmpeg_demuxer.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/filters/ffmpeg_demuxer.h"
 
 #include <algorithm>
 #include <memory>
 #include <set>
 #include <utility>
@@ skipping 607 matching lines @@
   return type_;
 }
 
 DemuxerStream::Liveness FFmpegDemuxerStream::liveness() const {
   DCHECK(task_runner_->BelongsToCurrentThread());
   return liveness_;
 }
 
 void FFmpegDemuxerStream::Read(const ReadCB& read_cb) {
   DCHECK(task_runner_->BelongsToCurrentThread());
-  CHECK(read_cb_.is_null()) << "Overlapping reads are not supported";
+  // Overlapping reads are not supported
+  CHECK(read_cb_.is_null());
   read_cb_ = BindToCurrentLoop(read_cb);
 
   // Don't accept any additional reads if we've been told to stop.
   // The |demuxer_| may have been destroyed in the pipeline thread.
   //
   // TODO(scherkus): it would be cleaner to reply with an error message.
   if (!demuxer_) {
     base::ResetAndReturn(&read_cb_).Run(
         DemuxerStream::kOk, DecoderBuffer::CreateEOSBuffer());
     return;
@@ skipping 1165 matching lines @@
 
 void FFmpegDemuxer::SetLiveness(DemuxerStream::Liveness liveness) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   for (const auto& stream : streams_) {
     if (stream)
       stream->SetLiveness(liveness);
   }
 }
 
 }  // namespace media