Revert 179615 - didn't help by itself. (May need another revert for r179399)

Revert 179615 - didn't help by itself. (May need another revert for r179399)

> Revert 179554 - suspected to break browser_tests on Mac 10.6
> 
> > Refactor FullscreenController removing TogglePresentationMode & adding ToggleFullscreenWithChrome.
> > 
> > Part of a series of refactoring changes that will enable simpler code in FullscreenController as well as correcting behavior there. This change attempts to make the minimal modifications required in order to have FullscreenController::ToggleFullscreenMode consistently mean fullscreen with no browser chrome on all platforms.
> >  
> > Depends on https://codereview.chromium.org/12018007/
> > 
> > BUG=169138
> > 
> > Review URL: https://chromiumcodereview.appspot.com/11896104
> 
> TBR=scheib@chromium.org
> Review URL: https://codereview.chromium.org/12089068

TBR=kinuko@chromium.org
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=179626