file_manager: Remove unused code from private_api_file_system.cc

BUG=none
TEST=none
R=kinaba@chromium.org

Review URL: https://codereview.chromium.org/61553007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233780 0039d316-1c4b-4281-b951-d872f2087c98
Restore focus to tab contents when dragging into a new browser

BUG=275329

Review URL: https://codereview.chromium.org/59223010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233781 0039d316-1c4b-4281-b951-d872f2087c98
Translate: Bug fix: Set the accurate target language when initializing the bubble

BUG=313113
TEST=manual, browser_tests --gtest_filter=TranslateManagerBrowserTest.*

Review URL: https://codereview.chromium.org/59233009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233782 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 233781
SVN changes up to revision 233782