[Linux]Workaround issue 50485

Please see http://crbug.com/50485 for details. This CL workarounds this issue by ignoring one "commit" signal triggered when resetting the gtk imcontext.

BUG=50485
TEST=See bug report.

Review URL: http://codereview.chromium.org/3214001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@57867 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed