Delete unused support for vp8 partitions.

webrtc/modules/video_coding/encoded_frame.h

Index: webrtc/modules/video_coding/encoded_frame.h
diff --git a/webrtc/modules/video_coding/encoded_frame.h b/webrtc/modules/video_coding/encoded_frame.h
index 953ab361b33d2b378aa20fc2a2fb34892c1299a8..840cd2056d594562799957559948f461e24b56a7 100644
--- a/webrtc/modules/video_coding/encoded_frame.h
+++ b/webrtc/modules/video_coding/encoded_frame.h
@@ -96,8 +96,6 @@ class VCMEncodedFrame : protected EncodedImage {
   */
   const CodecSpecificInfo* CodecSpecific() const { return &_codecSpecificInfo; }
 
-  const RTPFragmentationHeader* FragmentationHeader() const;
-
  protected:
   /**
   * Verifies that current allocated buffer size is larger than or equal to the
@@ -118,7 +116,6 @@ class VCMEncodedFrame : protected EncodedImage {
   bool _missingFrame;
   CodecSpecificInfo _codecSpecificInfo;
   webrtc::VideoCodecType _codec;
-  RTPFragmentationHeader _fragmentation;
 
   // Video rotation is only set along with the last packet for each frame
   // (same as marker bit). This |_rotation_set| is only for debugging purpose