Enforce the maximum length of the folder name in UI.

BUG=355797
R=xiyuan@chromium.org

Review URL: https://codereview.chromium.org/203863005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@260156 0039d316-1c4b-4281-b951-d872f2087c98
void FolderHeaderView::ItemNameChanged() {
  Update();
}

void FolderHeaderView::ItemNameChanged() {
  Update();
}
