commit 61c5a5d0d32c6b995426f802a560889242968665
author treib <treib@chromium.org> Mon May 23 13:56:42 2016
committer Commit bot <commit-bot@chromium.org> Mon May 23 13:58:19 2016
tree d11a82a27319c841a77bebe49b34b86d168f7e8b
parent 02fd1b4d57c36762cd3410b84e14dd208065e53f

Nuke chrome.embeddedeseach.newTabPage.navigateContentWindow
...and everything that was there only to support it.
After https://codereview.chromium.org/1924773002/, its special powers of navigating to file:// URLs aren't required anymore.

Manually tested:
Google remote NTP - works, including keyboard navigation.
Google local NTP - works, including keyboard navigation.
Bing NTP - works, doesn't seem to offer keyboard navigation.

BUG=584461
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/1908363002
Cr-Commit-Position: refs/heads/master@{#395312}