Class B

test/linked_ptr_unittest.cc:26–32

Subclass

// Subclass
struct B: public A {
  B() { history += butil::StringPrintf("B%d ctor\n", mynum); }
  virtual ~B() { history += butil::StringPrintf("B%d dtor\n", mynum); }
  virtual void Use() OVERRIDE {
    history += butil::StringPrintf("B%d use\n", mynum);
  }
};

}  // namespace