The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/f4851343a554057597a3f7cc197b989e5326fd9e

commit f4851343a554057597a3f7cc197b989e5326fd9e
Author: aluo <aluo@chromium.org>
Date: Sat Nov 12 02:32:54 2016

Add action mode tests.

BUG= 628757 

Review-Url: https://codereview.chromium.org/2154023002
Cr-Commit-Position: refs/heads/master@{#431751}

[modify] https://crrev.com/f4851343a554057597a3f7cc197b989e5326fd9e/android_webview/tools/automated_ui_tests/BUILD.gn
[add] https://crrev.com/f4851343a554057597a3f7cc197b989e5326fd9e/android_webview/tools/automated_ui_tests/java/res/layout/edittext_webview.xml
[add] https://crrev.com/f4851343a554057597a3f7cc197b989e5326fd9e/android_webview/tools/automated_ui_tests/javatests/src/org/chromium/webview_ui_test/test/ActionModeTest.java
[modify] https://crrev.com/f4851343a554057597a3f7cc197b989e5326fd9e/android_webview/tools/automated_ui_tests/javatests/src/org/chromium/webview_ui_test/test/util/WebViewSyncWrapper.java
[modify] https://crrev.com/f4851343a554057597a3f7cc197b989e5326fd9e/android_webview/tools/automated_ui_tests/javatests/src/org/chromium/webview_ui_test/test/util/WebViewUiTestRule.java