libvpx: Pull from upstream

libvpx: Pull from upstream

This is the first part of a partial checkin. It is too large for gcl.

Current HEAD: 8f850d6e259ec764ef0df3c170e8303189b7db57

git log from upstream:
8f850d6 Merge changes I67b2b0d7,I24c024d1,I3703d739,Ia6f669a9
0873dc3 Merge "Enforce intra_y_mode_mask for inter rd."
9e99e10 Merge "Refactor ZEROMV equivalence"
5c1ba86 Merge "Reset search_method for non-rd pick mode"
6440e29 Merge "Merging error-resilient example into simple_encoder."
f466fc8 Refactor ZEROMV equivalence
5b2190b Reset search_method for non-rd pick mode
0fa1e7e Enforce intra_y_mode_mask for inter rd.
07c4d22 Merge "Cleanup conditions in vp9_rd_pick_inter_mode_sb()."
34ad6d0 Merge "Clear implied conversion to int64_t warning."
cf123f4 Merge "Removing VP9D_PTR."
d4648d9 Merge "AVX2 SubPixel AVG Variance Optimization"
a9288e2 Merge "vp9_lookahead_push(): remove unused parameters"
32705df Merge "vp9_decodeframe.c: remove unused params"
b9419f0 Merge "Silence int64 to int warning"
e2f663c Merge "vp9_mbgraph.c: remove unused parameters"
386265f Merge "temporal_filter_find_matching_mb_c(): remove a param"
c703400 Merge "vp9_prob_diff_update_savings_search_model(): remove params"
74558bc Clear implied conversion to int64_t warning.
fdc7395 Silence int64 to int warning
5ee16cc Merge "vp9_firstpass.c: remove unused functions & params"
9f17ff4 Merge "Sorting includes in vp9_firstpass.c."
b791c60 vp9_mbgraph.c: remove unused parameters
c0205eb temporal_filter_find_matching_mb_c(): remove a param
b9d28e7 vp9_prob_diff_update_savings_search_model(): remove params
dac3d0c vp9_lookahead_push(): remove unused parameters
501fce7 vp9_decodeframe.c: remove unused params
673621c vp9_firstpass.c: remove unused functions & params
b12f5fc vp9_encodeframe.c: remove unused function params
9650b9d Remove dec_build_inter_predictors() parameters
9bcd361 Remove unused parameters from update_state_rt()
2f4eb5f Remove vp9_create_common()
3678ed3 Remove a parameter from write_selected_tx_size()
ea14909 AVX2 SubPixel AVG Variance Optimization
.
.
.
a60b76b vp9_vaq.c resolve vs warnings
bb07de7 Remove some unused and non-persistant variables from VP9_COMP.
80ccb45 Merge "vp9_ratectrl - convert buffers to int64 to avoid casting"
e63b78a Merge "vp9_write_bit_buffer.h add consts to suppress warnings in vs"
0000e3a Merge "In realtime mode enforce one pass with 0 lag"
cd6b993 Merge "vp9_ratectrl.h resolve visual studio warnings"
5cc0de9 Merge "vp9_onyx_int.h resolve visual studio warning errors"
5750f78 Merge "fast approximate model_rd_from_var_lapndz"
e727bcf Merge "vp9_mcomp.c visual studio warnings resolved"
0c7fbe0 Merge "vp9_firstpass.c visual studio warnings addressed"
fb4f10a vp9_ratectrl - convert buffers to int64 to avoid casting
0abb065 vp9_write_bit_buffer.h add consts to suppress warnings in vs
e5dda3b vp9_ratectrl.h resolve visual studio warnings
27f4b14 vp9_onyx_int.h resolve visual studio warning errors
6025ec7 vp9_mcomp.c visual studio warnings resolved
bf5f2e7 vp9_firstpass.c visual studio warnings addressed
edfb5ba Merge "Cleanup: removing "ptr" suffix from var names."
9bd76da cosmetics: yv12config.h: remove extra indent
e9cefd1 Cleanup: removing "ptr" suffix from var names.
19a8eee Cleaning up pack_inter_mode_mvs() function.
5dbdff0 Merge "Fix build error caused by a merge conflict."
bdd8966 Merge "Removing reference to non-existing context_counters array."
2eccbd0 Fix build error caused by a merge conflict.
8d646be Merge "Removed the reset of mode_info from previous frame"
27f809d Merge "Disable using golden frame modes if golden frames are not being used"
25f22d2 In realtime mode enforce one pass with 0 lag
49b4b72 Merge "Adapting vp8_set_maps.c example to use new APIs."
40af118 Removing reference to non-existing context_counters array.
8837b02 Adapting vp8_set_maps.c example to use new APIs.
edec808 Disable using golden frame modes if golden frames are not being used
896d79a Removed the reset of mode_info from previous frame
955b35d Cleaning up vpx_codec_get_cx_data() function.
cc10ee0 Initialize internal buffer pointers in rtc mode
ea53d6c Combining if-else branches from different conditions.
549c31f minor spelling cleanup in comments
9e190df fast approximate model_rd_from_var_lapndz
619f29c Remove redundant arm neon instructions.

BUG=339195
TBR=tomfinegan@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=254598

[fgalligan1, 2014-03-03 23:09:31]

Committed patchset #1 manually as r254598 (presubmit successful).

[Tom Finegan, 2014-03-03 23:58:07]

lgtm