Revert of Let ViEEncoder handle resolution changes.

webrtc/video/vie_encoder.h

Index: webrtc/video/vie_encoder.h
diff --git a/webrtc/video/vie_encoder.h b/webrtc/video/vie_encoder.h
index 68f043e1c5818e876b5e0166deab1dbc785ab325..41968444fadf57d39b44b455cc195d676ebb0897 100644
--- a/webrtc/video/vie_encoder.h
+++ b/webrtc/video/vie_encoder.h
@@ -21,7 +21,6 @@
 #include "webrtc/base/task_queue.h"
 #include "webrtc/call.h"
 #include "webrtc/common_types.h"
-#include "webrtc/common_video/rotation.h"
 #include "webrtc/media/base/videosinkinterface.h"
 #include "webrtc/modules/video_coding/include/video_coding_defines.h"
 #include "webrtc/modules/video_coding/utility/simulcast_rate_allocator.h"
@@ -103,24 +102,8 @@
   class EncodeTask;
   class VideoSourceProxy;
 
-  struct VideoFrameInfo {
-    VideoFrameInfo(int width,
-                   int height,
-                   VideoRotation rotation,
-                   bool is_texture)
-        : width(width),
-          height(height),
-          rotation(rotation),
-          is_texture(is_texture) {}
-    int width;
-    int height;
-    webrtc::VideoRotation rotation;
-    bool is_texture;
-  };
-
   void ConfigureEncoderOnTaskQueue(VideoEncoderConfig config,
                                    size_t max_data_payload_length);
-  void ReconfigureEncoder();
 
   // Implements VideoSinkInterface.
   void OnFrame(const VideoFrame& video_frame) override;
@@ -155,6 +138,7 @@
   const VideoSendStream::Config::EncoderSettings settings_;
   const VideoCodecType codec_type_;
 
+  const std::unique_ptr<VideoProcessing> vp_;
   vcm::VideoSender video_sender_ ACCESS_ON(&encoder_queue_);
 
   OveruseFrameDetector overuse_detector_ ACCESS_ON(&encoder_queue_);
@@ -175,10 +159,6 @@
   std::unique_ptr<SimulcastRateAllocator> rate_allocator_
       ACCESS_ON(&encoder_queue_);
 
-  // Set when ConfigureEncoder has been called in order to lazy reconfigure the
-  // encoder on the next frame.
-  bool pending_encoder_reconfiguration_ ACCESS_ON(&encoder_queue_);
-  rtc::Optional<VideoFrameInfo> last_frame_info_ ACCESS_ON(&encoder_queue_);
   uint32_t encoder_start_bitrate_bps_ ACCESS_ON(&encoder_queue_);
   size_t max_data_payload_length_ ACCESS_ON(&encoder_queue_);
   uint32_t last_observed_bitrate_bps_ ACCESS_ON(&encoder_queue_);