Revert of Don't reinit encoder when rotation changes.

webrtc/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.cc

Index: webrtc/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.cc
diff --git a/webrtc/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.cc b/webrtc/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.cc
index 2b5cff028011e183ddb2321a131d8d5c86ef6b37..c4c600d67e328eb96f00cf7e68346eba07db9353 100644
--- a/webrtc/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.cc
+++ b/webrtc/modules/video_coding/codecs/vp8/test/vp8_impl_unittest.cc
@@ -76,7 +76,6 @@
   encoded_frame_->_timeStamp = encoded_frame._timeStamp;
   encoded_frame_->_frameType = encoded_frame._frameType;
   encoded_frame_->_completeFrame = encoded_frame._completeFrame;
-  encoded_frame_->rotation_ = encoded_frame.rotation_;
   encoded_frame_->qp_ = encoded_frame.qp_;
   encode_complete_ = true;
   return Result(Result::OK, 0);
@@ -253,26 +252,6 @@
   EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK, decoder_->InitDecode(&codec_inst_, 1));
 }
 
-// We only test the encoder here, since the decoded frame rotation is set based
-// on the CVO RTP header extension in VCMDecodedFrameCallback::Decoded.
-// TODO(brandtr): Consider passing through the rotation flag through the decoder
-// in the same way as done in the encoder.
-TEST_F(TestVp8Impl, EncodedRotationEqualsInputRotation) {
-  SetUpEncodeDecode();
-
-  input_frame_->set_rotation(kVideoRotation_0);
-  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
-            encoder_->Encode(*input_frame_, nullptr, nullptr));
-  WaitForEncodedFrame();
-  EXPECT_EQ(kVideoRotation_0, encoded_frame_.rotation_);
-
-  input_frame_->set_rotation(kVideoRotation_90);
-  EXPECT_EQ(WEBRTC_VIDEO_CODEC_OK,
-            encoder_->Encode(*input_frame_, nullptr, nullptr));
-  WaitForEncodedFrame();
-  EXPECT_EQ(kVideoRotation_90, encoded_frame_.rotation_);
-}
-
 TEST_F(TestVp8Impl, DecodedQpEqualsEncodedQp) {
   SetUpEncodeDecode();
   encoder_->Encode(*input_frame_, nullptr, nullptr);