Member initialization for scoped_refptr<T>::ptr_.

base/test/opaque_ref_counted.cc

Index: base/test/opaque_ref_counted.cc
diff --git a/base/test/opaque_ref_counted.cc b/base/test/opaque_ref_counted.cc
index ed6c36f1a2decdde05a03b1bf705ea6349dc28b5..36253e5ef962f6abfa00669e8f2b5b6737565bad 100644
--- a/base/test/opaque_ref_counted.cc
+++ b/base/test/opaque_ref_counted.cc
@@ -11,17 +11,31 @@ namespace base {
 
 class OpaqueRefCounted : public RefCounted<OpaqueRefCounted> {
  public:
-  OpaqueRefCounted() {}
+  OpaqueRefCounted() = default;
 
   int Return42() { return 42; }
 
  private:
-  virtual ~OpaqueRefCounted() {}
+  friend class RefCounted<OpaqueRefCounted>;
+  ~OpaqueRefCounted() = default;
 
-  friend RefCounted<OpaqueRefCounted>;
   DISALLOW_COPY_AND_ASSIGN(OpaqueRefCounted);
 };
 
+class OpaqueRefCountedThreadSafe
+    : public RefCounted<OpaqueRefCountedThreadSafe> {
+ public:
+  OpaqueRefCountedThreadSafe() = default;
+
+  int Return42() { return 42; }
+
+ private:
+  friend class RefCounted<OpaqueRefCountedThreadSafe>;
+  ~OpaqueRefCountedThreadSafe() = default;
+
+  DISALLOW_COPY_AND_ASSIGN(OpaqueRefCountedThreadSafe);
+};
+
 scoped_refptr<OpaqueRefCounted> MakeOpaqueRefCounted() {
   return new OpaqueRefCounted();
 }
@@ -30,6 +44,16 @@ void TestOpaqueRefCounted(scoped_refptr<OpaqueRefCounted> p) {
   EXPECT_EQ(42, p->Return42());
 }
 
+scoped_refptr<OpaqueRefCountedThreadSafe> MakeOpaqueRefCountedThreadSafe() {
+  return new OpaqueRefCountedThreadSafe();
+}
+
+void TestOpaqueRefCountedThreadSafe(
+    scoped_refptr<OpaqueRefCountedThreadSafe> p) {
+  EXPECT_EQ(42, p->Return42());
+}
+
 }  // namespace base
 
 template class scoped_refptr<base::OpaqueRefCounted>;
+template class scoped_refptr<base::OpaqueRefCountedThreadSafe>;