Revert of Extract bitrate allocation of spatial/temporal layers out of codec impl.

webrtc/modules/video_coding/codecs/vp8/screenshare_layers.h

Index: webrtc/modules/video_coding/codecs/vp8/screenshare_layers.h
diff --git a/webrtc/modules/video_coding/codecs/vp8/screenshare_layers.h b/webrtc/modules/video_coding/codecs/vp8/screenshare_layers.h
index e4d3c76aabaa095daac343ee0037a2c9928b7013..8392bc4f35568fc91f68e5dfc04db03fea0d3f12 100644
--- a/webrtc/modules/video_coding/codecs/vp8/screenshare_layers.h
+++ b/webrtc/modules/video_coding/codecs/vp8/screenshare_layers.h
@@ -9,7 +9,9 @@
 #ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_SCREENSHARE_LAYERS_H_
 #define WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_SCREENSHARE_LAYERS_H_
 
-#include <vector>
+#include <list>
+
+#include "vpx/vpx_encoder.h"
 
 #include "webrtc/base/timeutils.h"
 #include "webrtc/modules/video_coding/codecs/vp8/temporal_layers.h"
@@ -39,15 +41,10 @@
   // and/or update the reference buffers.
   int EncodeFlags(uint32_t timestamp) override;
 
-  // Update state based on new bitrate target and incoming framerate.
-  // Returns the bitrate allocation for the active temporal layers.
-  std::vector<uint32_t> OnRatesUpdated(int bitrate_kbps,
-                                       int max_bitrate_kbps,
-                                       int framerate) override;
-
-  // Update the encoder configuration with target bitrates or other parameters.
-  // Returns true iff the configuration was actually modified.
-  bool UpdateConfiguration(vpx_codec_enc_cfg_t* cfg) override;
+  bool ConfigureBitrates(int bitrate_kbps,
+                         int max_bitrate_kbps,
+                         int framerate,
+                         vpx_codec_enc_cfg_t* cfg) override;
 
   void PopulateCodecSpecific(bool base_layer_sync,
                              CodecSpecificInfoVP8* vp8_info,
@@ -56,6 +53,11 @@
   void FrameEncoded(unsigned int size, uint32_t timestamp, int qp) override;
 
   int CurrentLayerId() const override;
+
+  // Allows the layers adapter to update the encoder configuration prior to a
+  // frame being encoded. Return true if the configuration should be updated
+  // and false if now change is needed.
+  bool UpdateConfiguration(vpx_codec_enc_cfg_t* cfg) override;
 
  private:
   bool TimeToSync(int64_t timestamp) const;
@@ -73,8 +75,7 @@
   int min_qp_;
   int max_qp_;
   uint32_t max_debt_bytes_;
-  int framerate_;
-  bool bitrate_updated_;
+  int frame_rate_;
 
   static const int kMaxNumTemporalLayers = 2;
   struct TemporalLayer {