Fix spelling error.

git-svn-id: http://chromiumembedded.googlecode.com/svn/trunk@1923 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
Add CefBrowserHost::GetNavigationEntries for retrieving a snapshot of navigation history (issue #1442).

git-svn-id: http://chromiumembedded.googlecode.com/svn/trunk@1924 5089003a-bbd8-11dd-ad1f-f1f9622dbc98