The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/21ae75b4a9109648a5fa203145f50050a28cea64

commit 21ae75b4a9109648a5fa203145f50050a28cea64
Author: aluo <aluo@chromium.org>
Date: Thu Jan 05 07:52:30 2017

Adding WebView select tests to test select element's dropdown menu.

BUG= 647899 

Review-Url: https://codereview.chromium.org/2349663003
Cr-Commit-Position: refs/heads/master@{#441606}

[modify] https://crrev.com/21ae75b4a9109648a5fa203145f50050a28cea64/android_webview/tools/automated_ui_tests/BUILD.gn
[add] https://crrev.com/21ae75b4a9109648a5fa203145f50050a28cea64/android_webview/tools/automated_ui_tests/javatests/src/org/chromium/webview_ui_test/test/DropDownListTest.java
[add] https://crrev.com/21ae75b4a9109648a5fa203145f50050a28cea64/android_webview/tools/automated_ui_tests/javatests/src/org/chromium/webview_ui_test/test/util/Actions.java
[add] https://crrev.com/21ae75b4a9109648a5fa203145f50050a28cea64/android_webview/tools/automated_ui_tests/javatests/src/org/chromium/webview_ui_test/test/util/Atoms.java
[add] https://crrev.com/21ae75b4a9109648a5fa203145f50050a28cea64/android_webview/tools/automated_ui_tests/javatests/src/org/chromium/webview_ui_test/test/util/UseWideViewPortAction.java
[add] https://crrev.com/21ae75b4a9109648a5fa203145f50050a28cea64/android_webview/tools/automated_ui_tests/test/data/webview_nonscaled.html
[add] https://crrev.com/21ae75b4a9109648a5fa203145f50050a28cea64/android_webview/tools/automated_ui_tests/test/data/webview_scaled.html
[add] https://crrev.com/21ae75b4a9109648a5fa203145f50050a28cea64/android_webview/tools/automated_ui_tests/test/data/webview_scroll.html

This was committed in Jan and passing in the latest builds https://uberchromegw.corp.google.com/i/chromium.android.fyi/builders/Android%20Tests%20%28trial%29%28dbg%29/builds/2065