Mac, Bookmarks. Be more sparing about closing the bookmark folder menus.

Behavior should now be close to Windows in this regard.
BUG=75035
R=mrossetti@chromium.org
Review URL: http://codereview.chromium.org/6987028

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@86702 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.mm

@@ -2314,7 +2314,6 @@ static BOOL ValueInRangeInclusive(CGFloat low, CGFloat value, CGFloat high) {
 
 - (void)bookmarkDragDidEnd:(BookmarkButton*)button
                  operation:(NSDragOperation)operation {
-  [self closeFolderAndStopTrackingMenus];
   [button setHidden:NO];
   [self resetAllButtonPositionsWithAnimation:YES];
 }