Issue 620569  has been merged into this issue.

To summarise the bug which was merged in, we should have a shortcut on Ctrl-F as well.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/df095b24ea86eb8109ae6004fdbdc3532d62a968

commit df095b24ea86eb8109ae6004fdbdc3532d62a968
Author: lshang <lshang@chromium.org>
Date: Fri Jul 08 09:38:10 2016

MD History: add shortcuts for search

Add keyboard shortcuts to 'Ctrl-f' and '/' to focus the search field.

BUG= 619795 
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2118383003
Cr-Commit-Position: refs/heads/master@{#404329}

[modify] https://crrev.com/df095b24ea86eb8109ae6004fdbdc3532d62a968/chrome/browser/resources/md_history/app.html
[modify] https://crrev.com/df095b24ea86eb8109ae6004fdbdc3532d62a968/chrome/browser/resources/md_history/app.js
[modify] https://crrev.com/df095b24ea86eb8109ae6004fdbdc3532d62a968/chrome/browser/resources/md_history/compiled_resources2.gyp
[modify] https://crrev.com/df095b24ea86eb8109ae6004fdbdc3532d62a968/chrome/browser/resources/md_history/history.html
[modify] https://crrev.com/df095b24ea86eb8109ae6004fdbdc3532d62a968/chrome/browser/resources/md_history/history_toolbar.js
[modify] https://crrev.com/df095b24ea86eb8109ae6004fdbdc3532d62a968/chrome/test/data/webui/md_history/history_overflow_menu_test.js
[modify] https://crrev.com/df095b24ea86eb8109ae6004fdbdc3532d62a968/chrome/test/data/webui/md_history/history_toolbar_test.js