Implement HTML selects as native Cocoa controls for Chrome

Implement HTML selects as native Cocoa controls for Chrome.

BUG=8389
(http://crbug.com/8389)


Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=14471

[Paul Godavari, 2009-04-23 22:00:51]

This review depends on the test_shell cocoa menu delegate refactor:
http://codereview.chromium.org/92062

[Amanda Walker, 2009-04-24 14:34:59]

Generally LGTM, with one footprint nit.

http://codereview.chromium.org/57032/diff/7111/7118
File chrome/browser/renderer_host/render_widget_host_view.h (right):

http://codereview.chromium.org/57032/diff/7111/7118#newcode141
Line 141: const std::vector<WebMenuItem>& items) = 0;
I'd wrap this in #if defined(OS_MACOSX) (and remove the corresponding dummy
methods for non-Mac implementations) rather than have a bunch of dummy methods
that just call NOTREACHED()), unless we have reason to believe that the other
platforms will want to use this capability in the near future.