Hides the candidate window while changing IME.

BUG=323383

Review URL: https://codereview.chromium.org/87063002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237501 0039d316-1c4b-4281-b951-d872f2087c98
drive: Add HTTP_GONE to GDataErrorCode

It seems server may return 410 in some cases.

BUG=323196
TEST=unit_tests

Review URL: https://codereview.chromium.org/87933002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237502 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237502
linux_aura: Move status bar text color calculation to ThemeService.

This lets us override the blending color in native theme mode.

BUG=318485

Review URL: https://codereview.chromium.org/88243005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237503 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 237503