EXPECT_EQ happens to work (sometimes) because of string interning, but
these strings should be compared by value with EXPECT_STREQ.
Change-Id: Ifdcc7cf12d9c0868d8e7976baf549935ef117efc
- Create StatusWithSize, which efficiently stores a Status and a
non-negative integer.
- Add tests for Status and StatusWithSize.
Change-Id: I34ade117d890318d45a27664fe53303365f21f68