The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/25c8f54ee0e29126f5962e984ecfb131fd6035a2

commit 25c8f54ee0e29126f5962e984ecfb131fd6035a2
Author: James Zern <jzern@chromium.org>
Date: Tue Apr 24 03:19:14 2018

libwebp-1.0.0

rolls up local cherry-picks and adds a few more sse4 optimizations for
lossless

Bug:  834150 
Change-Id: Ic05c47407fa873b22744bb1af41729c076ee9ad2
Reviewed-on: https://chromium-review.googlesource.com/1018361
Commit-Queue: James Zern <jzern@google.com>
Reviewed-by: Urvang Joshi <urvang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#552987}
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/WebKit/LayoutTests/fast/canvas/canvas-toDataURL-webp-alpha-expected.png
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/WebKit/LayoutTests/fast/canvas/canvas-toDataURL-webp-expected.png
[add] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/WebKit/LayoutTests/platform/mac/virtual/gpu/fast/canvas/canvas-toDataURL-webp-expected.png
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/WebKit/LayoutTests/platform/win/virtual/color_space/fast/canvas/color-space/toDataURL-color-managed-round-trip-expected.png
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/WebKit/LayoutTests/platform/win/virtual/gpu/fast/canvas/canvas-toDataURL-webp-expected.png
[add] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/WebKit/LayoutTests/platform/win7/virtual/gpu/fast/canvas/canvas-toDataURL-webp-expected.png
[delete] https://crrev.com/c483e3b4559567ccdd1d11c7de29e6ce941da3e8/third_party/WebKit/LayoutTests/virtual/gpu/fast/canvas/canvas-toBlob-webp-maximum-quality-expected.txt
[delete] https://crrev.com/c483e3b4559567ccdd1d11c7de29e6ce941da3e8/third_party/WebKit/LayoutTests/virtual/gpu/fast/canvas/canvas-toDataURL-webp-expected.png
[delete] https://crrev.com/c483e3b4559567ccdd1d11c7de29e6ce941da3e8/third_party/WebKit/LayoutTests/virtual/gpu/fast/canvas/canvas-toDataURL-webp-expected.txt
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/BUILD.gn
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/README.chromium
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/examples/cwebp.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/examples/example_util.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/examples/example_util.h
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/imageio/image_enc.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/imageio/imageio_util.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/imageio/imageio_util.h
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/imageio/pngdec.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/imageio/pnmdec.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/imageio/webpdec.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dec/frame_dec.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dec/vp8_dec.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dec/vp8i_dec.h
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/demux/demux.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/alpha_processing.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/alpha_processing_mips_dsp_r2.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/common_sse2.h
[add] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/common_sse41.h
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/cost.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/dec.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/dsp.h
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/enc.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/filters.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/lossless.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/lossless.h
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/lossless_enc.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/lossless_enc_sse2.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/lossless_enc_sse41.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/lossless_sse2.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/rescaler.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/rescaler_sse2.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/ssim.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/upsampling.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/upsampling_sse2.c
[add] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/upsampling_sse41.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/yuv.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/yuv.h
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/yuv_sse2.c
[add] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/dsp/yuv_sse41.c
[delete] https://crrev.com/c483e3b4559567ccdd1d11c7de29e6ce941da3e8/third_party/libwebp/src/enc/delta_palettization_enc.c
[delete] https://crrev.com/c483e3b4559567ccdd1d11c7de29e6ce941da3e8/third_party/libwebp/src/enc/delta_palettization_enc.h
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/enc/frame_enc.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/enc/histogram_enc.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/enc/histogram_enc.h
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/enc/iterator_enc.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/enc/near_lossless_enc.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/enc/picture_csp_enc.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/enc/picture_psnr_enc.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/enc/quant_enc.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/enc/vp8i_enc.h
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/enc/vp8l_enc.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/enc/webp_enc.c
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/mux/muxi.h
[modify] https://crrev.com/25c8f54ee0e29126f5962e984ecfb131fd6035a2/third_party/libwebp/src/utils/endian_inl_utils.h