Remove logic related to incomplete WebRTC frames.

Related WebRTC CLs:
https://webrtc-review.googlesource.com/c/src/+/190680
https://webrtc-review.googlesource.com/c/src/+/190860

Bug: webrtc:9378, webrtc:7408
Change-Id: I9a4a672ea2e68bd2d1991a78a509439c9b36d05e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2510130Reviewed-by: Frank Liberato <liberato@chromium.org>
Reviewed-by: Joe Downing <joedow@google.com>
Reviewed-by: Lambros Lambrou <lambroslambrou@chromium.org>
Commit-Queue: Philip Eliasson <philipel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#823224}

remoting/protocol/webrtc_dummy_video_encoder.cc

@@ -114,7 +114,6 @@ webrtc::EncodedImageCallback::Result WebrtcDummyVideoEncoder::SendEncodedFrame(
       webrtc::EncodedImageBuffer::Create(buffer, buffer_size));
   encoded_image._encodedWidth = frame.size.width();
   encoded_image._encodedHeight = frame.size.height();
-  encoded_image._completeFrame = true;
   encoded_image._frameType = frame.key_frame
                                  ? webrtc::VideoFrameType::kVideoFrameKey
                                  : webrtc::VideoFrameType::kVideoFrameDelta;

third_party/blink/renderer/platform/peerconnection/rtc_video_decoder_adapter.cc

@@ -288,8 +288,8 @@ int32_t RTCVideoDecoderAdapter::Decode(const webrtc::EncodedImage& input_image,
 #endif  // defined(ARCH_CPU_X86_FAMILY) && BUILDFLAG(IS_ASH)
   }
 
-  if (missing_frames || !input_image._completeFrame) {
-    DVLOG(2) << "Missing or incomplete frames";
+  if (missing_frames) {
+    DVLOG(2) << "Missing frames";
     // We probably can't handle broken frames. Request a key frame.
     return WEBRTC_VIDEO_CODEC_ERROR;
   }

third_party/blink/renderer/platform/peerconnection/rtc_video_decoder_adapter_test.cc

@@ -190,7 +190,6 @@ class RTCVideoDecoderAdapterTest : public ::testing::Test {
     input_image.SetEncodedData(
         webrtc::EncodedImageBuffer::Create(data, sizeof(data)));
     input_image._frameType = webrtc::VideoFrameType::kVideoFrameKey;
-    input_image._completeFrame = true;
     input_image.SetTimestamp(timestamp);
     return rtc_video_decoder_adapter_->Decode(input_image, false, 0);
   }
@@ -222,7 +221,6 @@ class RTCVideoDecoderAdapterTest : public ::testing::Test {
     static const uint8_t data[1] = {0};
     input_image.SetEncodedData(
         webrtc::EncodedImageBuffer::Create(data, sizeof(data)));
-    input_image._completeFrame = true;
     input_image._frameType = webrtc::VideoFrameType::kVideoFrameKey;
     input_image.SetTimestamp(timestamp);
     webrtc::ColorSpace webrtc_color_space;

third_party/blink/renderer/platform/peerconnection/rtc_video_encoder.cc

@@ -919,7 +919,6 @@ void RTCVideoEncoder::Impl::BitstreamBufferReady(
       (metadata.key_frame ? webrtc::VideoFrameType::kVideoFrameKey
                           : webrtc::VideoFrameType::kVideoFrameDelta);
   image.content_type_ = video_content_type_;
-  image._completeFrame = true;
 
   webrtc::CodecSpecificInfo info;
   info.codecType = video_codec_type_;