Revert r97185 "Update libvpx snapshot to v0.9.7-p1 (Cayuga)."

libvpx/include/vpx/vpx_decoder.h

Index: libvpx/include/vpx/vpx_decoder.h
diff --git a/libvpx/include/vpx/vpx_decoder.h b/libvpx/include/vpx/vpx_decoder.h
index 0fc38c69f720402471ba4ef6af29fd8c00f2729b..4c5740945b9179b43ef507fcbf8df3ed465be828 100644
--- a/libvpx/include/vpx/vpx_decoder.h
+++ b/libvpx/include/vpx/vpx_decoder.h
@@ -53,10 +53,6 @@ extern "C" {
 #define VPX_CODEC_CAP_PUT_SLICE  0x10000 /**< Will issue put_slice callbacks */
 #define VPX_CODEC_CAP_PUT_FRAME  0x20000 /**< Will issue put_frame callbacks */
 #define VPX_CODEC_CAP_POSTPROC   0x40000 /**< Can postprocess decoded frame */
-#define VPX_CODEC_CAP_ERROR_CONCEALMENT   0x80000 /**< Can conceal errors due to
-                                                       packet loss */
-#define VPX_CODEC_CAP_INPUT_PARTITION   0x100000 /**< Can receive encoded frames
-                                                    one partition at a time */
 
     /*! \brief Initialization-time Feature Enabling
      *
@@ -66,11 +62,6 @@ extern "C" {
      *  The available flags are specified by VPX_CODEC_USE_* defines.
      */
 #define VPX_CODEC_USE_POSTPROC   0x10000 /**< Postprocess decoded frame */
-#define VPX_CODEC_USE_ERROR_CONCEALMENT 0x20000 /**< Conceal errors in decoded
-                                                     frames */
-#define VPX_CODEC_USE_INPUT_PARTITION   0x40000 /**< The input frame should be
-                                                    passed to the decoder one
-                                                    partition at a time */
 
     /*!\brief Stream properties
      *
@@ -189,11 +180,6 @@ extern "C" {
      * generated, as appropriate. Encoded data \ref MUST be passed in DTS (decode
      * time stamp) order. Frames produced will always be in PTS (presentation
      * time stamp) order.
-     * If the decoder is configured with VPX_CODEC_USE_INPUT_PARTITION enabled,
-     * data and data_sz must contain at most one encoded partition. When no more
-     * data is available, this function should be called with NULL as data and 0
-     * as data_sz. The memory passed to this function must be available until
-     * the frame has been decoded.
      *
      * \param[in] ctx          Pointer to this instance's context
      * \param[in] data         Pointer to this block of new coded data. If