Merge revision 1226 changes:

Mac: Add off-screen rendering support (issue #518).
- Build with the 10.7 SDK (set GYP_DEFINES='mac_sdk=10.7') to include Retina support in the cefclient OSR example.

git-svn-id: https://chromiumembedded.googlecode.com/svn/branches/1453@1227 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

cef3/tests/unittests/os_rendering_unittest_mac.h

@@ -0,0 +1,18 @@
+// Copyright (c) 2013 The Chromium Embedded Framework Authors. All rights
+// reserved. Use of this source code is governed by a BSD-style license
+// that can be found in the LICENSE file.
+
+#ifndef CEF_TESTS_UNITTESTS_OS_RENDERING_UNITTEST_MAC_H_
+#define CEF_TESTS_UNITTESTS_OS_RENDERING_UNITTEST_MAC_H_
+
+#include "include/cef_base.h"
+#include "ui/base/keycodes/keyboard_codes.h"
+
+namespace osr_unittests {
+
+CefWindowHandle GetFakeView();
+void GetKeyEvent(CefKeyEvent& event, ui::KeyboardCode keyCode, int modifiers);
+
+}  // namespace osr_unittests
+
+#endif