Fix DCHECK crash in RtcVideoEncoder.

content/renderer/media/rtc_video_encoder.cc

 // Copyright 2013 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 "content/renderer/media/rtc_video_encoder.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 503 matching lines @@
     : video_codec_type_(type),
       video_codec_profile_(profile),
       gpu_factories_(gpu_factories),
       encoded_image_callback_(NULL),
       impl_status_(WEBRTC_VIDEO_CODEC_UNINITIALIZED),
       weak_factory_(this) {
   DVLOG(1) << "RTCVideoEncoder(): profile=" << profile;
 }
 
 RTCVideoEncoder::~RTCVideoEncoder() {
+  DVLOG(3) << "~RTCVideoEncoder";
   DCHECK(thread_checker_.CalledOnValidThread());
   Release();
   DCHECK(!impl_);
 }
 
 int32_t RTCVideoEncoder::InitEncode(const webrtc::VideoCodec* codec_settings,
                                     int32_t number_of_cores,
                                     uint32_t max_payload_size) {
   DVLOG(1) << "InitEncode(): codecType=" << codec_settings->codecType
            << ", width=" << codec_settings->width
@@ skipping 20 matching lines @@
   initialization_waiter.Wait();
   RecordInitEncodeUMA(initialization_retval);
   return initialization_retval;
 }
 
 int32_t RTCVideoEncoder::Encode(
     const webrtc::I420VideoFrame& input_image,
     const webrtc::CodecSpecificInfo* codec_specific_info,
     const std::vector<webrtc::VideoFrameType>* frame_types) {
   DVLOG(3) << "Encode()";
-  // TODO(sheu): figure out why this check fails.
-  // DCHECK(thread_checker_.CalledOnValidThread());
   if (!impl_) {
     DVLOG(3) << "Encode(): returning impl_status_=" << impl_status_;
     return impl_status_;
   }
 
   bool want_key_frame = frame_types && frame_types->size() &&
                         frame_types->front() == webrtc::kKeyFrame;
   base::WaitableEvent encode_waiter(true, false);
   int32_t encode_retval = WEBRTC_VIDEO_CODEC_UNINITIALIZED;
   gpu_factories_->GetTaskRunner()->PostTask(
@@ skipping 34 matching lines @@
     impl_ = NULL;
     weak_factory_.InvalidateWeakPtrs();
     impl_status_ = WEBRTC_VIDEO_CODEC_UNINITIALIZED;
   }
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
 int32_t RTCVideoEncoder::SetChannelParameters(uint32_t packet_loss, int rtt) {
   DVLOG(3) << "SetChannelParameters(): packet_loss=" << packet_loss
            << ", rtt=" << rtt;
-  DCHECK(thread_checker_.CalledOnValidThread());
   // Ignored.
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
 int32_t RTCVideoEncoder::SetRates(uint32_t new_bit_rate, uint32_t frame_rate) {
   DVLOG(3) << "SetRates(): new_bit_rate=" << new_bit_rate
            << ", frame_rate=" << frame_rate;
-  DCHECK(thread_checker_.CalledOnValidThread());
   if (!impl_) {
     DVLOG(3) << "SetRates(): returning " << impl_status_;
     return impl_status_;
   }
 
   gpu_factories_->GetTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&RTCVideoEncoder::Impl::RequestEncodingParametersChange,
                  impl_,
                  new_bit_rate,
@@ skipping 59 matching lines @@
   UMA_HISTOGRAM_BOOLEAN("Media.RTCVideoEncoderInitEncodeSuccess",
                         init_retval == WEBRTC_VIDEO_CODEC_OK);
   if (init_retval == WEBRTC_VIDEO_CODEC_OK) {
     UMA_HISTOGRAM_ENUMERATION("Media.RTCVideoEncoderProfile",
                               video_codec_profile_,
                               media::VIDEO_CODEC_PROFILE_MAX + 1);
   }
 }
 
 }  // namespace content