Rewrite most of the scopers in //base/mac to use ScopedTypeRef or ScopedGeneric.

base/mac/scoped_nsobject_unittest.mm

Index: base/mac/scoped_nsobject_unittest.mm
diff --git a/base/mac/scoped_nsobject_unittest.mm b/base/mac/scoped_nsobject_unittest.mm
index 933a3395b2c175a5e1eb79690eefe6fe35063b5f..c838217a9eec1e720bc10da5c5394df0f1b60adf 100644
--- a/base/mac/scoped_nsobject_unittest.mm
+++ b/base/mac/scoped_nsobject_unittest.mm
@@ -52,6 +52,12 @@ TEST(ScopedNSObjectTest, ScopedNSObject) {
   ASSERT_EQ(2u, [p1 retainCount]);
 }
 
+#if 0

[Nico, 2016/01/05 16:18:30]

?

[Robert Sesek, 2016/01/05 16:26:10]

It's for testing a static_assert.

[Nico, 2016/01/05 16:38:39]

This should have a comment saying so, else it's be deleted by the next person
touching this file. Or it should be in a .nc file.

[Robert Sesek, 2016/01/05 17:35:03]

Added a comment in https://codereview.chromium.org/1563463002 since .nc tests
don't seem to work on my machine.

+TEST(ScopedNSObjectTest, FailToCreateScopedNSObjectAutoreleasePool) {
+  base::scoped_nsobject<NSAutoreleasePool> pool;
+}
+#endif
+
 TEST(ScopedNSObjectTest, ScopedNSObjectInContainer) {
   base::scoped_nsobject<id> p([[NSObject alloc] init]);
   ASSERT_TRUE(p.get());