Use TOP #1 language from CLD2 instead of the summary language

The summary language and the top language are different, and the top language should be used for Translate. Originally, Chromium adopts the top language of CLD1, and summary language of CLD2. This CL fixes to use the top language even in the case of CLD2.

BUG=320362
TEST=manual

Review URL: https://codereview.chromium.org/75483009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236228 0039d316-1c4b-4281-b951-d872f2087c98
Blink roll 162338:162351

http://build.chromium.org/f/chromium/perf/dashboard/ui/changelog_blink.html?url=/trunk&range=162339:162351&mode=html
TBR=
BUG=

Review URL: https://codereview.chromium.org/77813003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236229 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 236228
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236230 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 236230
Move ui/base/keycodes to ui/events/keycodes/dom4

This patch was created by the following steps:

1. Create a new directory to move.
mkdir ui/events/keycodes/dom4

2. Move the OWNERS file manually, because the next script supports only source files.
git mv ui/base/keycodes/OWNERS ui/events/keycodes/

3. Use script to move source files.
./tools/git/move_source_file.py ui/base/keycodes/* ui/events/keycodes/dom4

4. Here's the output from the script.
WARNING: Could not successfully update include guard; perhaps old guard is not per style guide?
You will have to update the include guard manually. 
(ui/events/keycodes/dom4/keycode_converter.h)

5. modify the header guard of keycode_converter.h

BUG=312218

Review URL: https://codereview.chromium.org/59873007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236231 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 236231