The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/ecb61d8e7011b60263f9bcf18292d61b23a71113

commit ecb61d8e7011b60263f9bcf18292d61b23a71113
Author: Jon Napper <napper@chromium.org>
Date: Mon Dec 10 05:24:58 2018

Added AssistRanker NN classifier.

Added single-layer neural network support to AssistRanker. Subsequent
CLs will include quantization support and a classifier predictor.

Subsequent patches will include support for quantization and a
predictor that will support the NN classifier.

Bug: 907727
Change-Id: I6889fd9eb083cdcb261b2a5c4a86236973b24918
Reviewed-on: https://chromium-review.googlesource.com/c/1369424
Reviewed-by: Charles . <charleszhao@chromium.org>
Commit-Queue: Jon Napper <napper@chromium.org>
Cr-Commit-Position: refs/heads/master@{#615050}
[modify] https://crrev.com/ecb61d8e7011b60263f9bcf18292d61b23a71113/components/assist_ranker/BUILD.gn
[add] https://crrev.com/ecb61d8e7011b60263f9bcf18292d61b23a71113/components/assist_ranker/nn_classifier.cc
[add] https://crrev.com/ecb61d8e7011b60263f9bcf18292d61b23a71113/components/assist_ranker/nn_classifier.h
[add] https://crrev.com/ecb61d8e7011b60263f9bcf18292d61b23a71113/components/assist_ranker/nn_classifier_test_util.cc
[add] https://crrev.com/ecb61d8e7011b60263f9bcf18292d61b23a71113/components/assist_ranker/nn_classifier_test_util.h
[add] https://crrev.com/ecb61d8e7011b60263f9bcf18292d61b23a71113/components/assist_ranker/nn_classifier_unittest.cc
[modify] https://crrev.com/ecb61d8e7011b60263f9bcf18292d61b23a71113/components/assist_ranker/proto/BUILD.gn
[add] https://crrev.com/ecb61d8e7011b60263f9bcf18292d61b23a71113/components/assist_ranker/proto/nn_classifier.proto

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/bb47b5460b82efa9e0f42df0ef5177641a599418

commit bb47b5460b82efa9e0f42df0ef5177641a599418
Author: Jon Napper <napper@chromium.org>
Date: Wed Dec 12 01:45:05 2018

Added quantized NN classifier for AssistRanker.

Added support for 8-bit quantized NN classifier models for AssistRanker.
The model must be dequantized prior to inferencing.

Bug: 907727
Change-Id: Ie52a55eb531eac9b3617dfd47bf27aa91b528347
Reviewed-on: https://chromium-review.googlesource.com/c/1370229
Reviewed-by: Charles . <charleszhao@chromium.org>
Commit-Queue: Jon Napper <napper@chromium.org>
Cr-Commit-Position: refs/heads/master@{#615767}
[modify] https://crrev.com/bb47b5460b82efa9e0f42df0ef5177641a599418/components/assist_ranker/BUILD.gn
[modify] https://crrev.com/bb47b5460b82efa9e0f42df0ef5177641a599418/components/assist_ranker/proto/BUILD.gn
[add] https://crrev.com/bb47b5460b82efa9e0f42df0ef5177641a599418/components/assist_ranker/proto/quantized_nn_classifier.proto
[add] https://crrev.com/bb47b5460b82efa9e0f42df0ef5177641a599418/components/assist_ranker/quantized_nn_classifier.cc
[add] https://crrev.com/bb47b5460b82efa9e0f42df0ef5177641a599418/components/assist_ranker/quantized_nn_classifier.h
[add] https://crrev.com/bb47b5460b82efa9e0f42df0ef5177641a599418/components/assist_ranker/quantized_nn_classifier_unittest.cc