MacViews: Add native drop shadow to dialogs on OSX < 10.10.

ui/gfx/path_mac.h

Index: ui/gfx/path_mac.h
diff --git a/ui/gfx/path_mac.h b/ui/gfx/path_mac.h
new file mode 100644
index 0000000000000000000000000000000000000000..1d345213029c26b4c7a402d6abc1cf0823ad7743
--- /dev/null
+++ b/ui/gfx/path_mac.h
@@ -0,0 +1,26 @@
+// Copyright 2016 The Chromium 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 UI_GFX_PATH_MAC_H_
+#define UI_GFX_PATH_MAC_H_
+
+#include "ui/gfx/gfx_export.h"
+
+#if defined(__OBJC__)
+@class NSBezierPath;

[tapted, 2016/02/11 01:47:23]

I think only this is needed for now (no #if __OBJC__ needed) -- only objc files
include this file. the SkPath forward dec can go directly below

[karandeepb, 2016/02/11 04:16:04]

Done.

+#else   // __OBJC__
+class NSBezierPath;
+#endif  // __OBJC__
+
+class SkPath;
+class SkRegion;

[tapted, 2016/02/11 01:47:23]

nit: remove

[karandeepb, 2016/02/11 04:16:04]

Done.

+
+namespace gfx {
+
+// Returns the NSBezierPath corresponding to |path|.
+GFX_EXPORT NSBezierPath* CreateNSBezierPathFromSkPath(const SkPath& path);
+
+}  // namespace gfx
+
+#endif  // UI_GFX_PATH_MAC_H_