Convert //base to use std::unique_ptr

base/mac/scoped_typeref.h

Index: base/mac/scoped_typeref.h
diff --git a/base/mac/scoped_typeref.h b/base/mac/scoped_typeref.h
index 551ddf23ec9094512edf9c6da1fca32896d9f05e..d847a5a8198b74aacb162593bc59e444695c0519 100644
--- a/base/mac/scoped_typeref.h
+++ b/base/mac/scoped_typeref.h
@@ -11,7 +11,8 @@
 
 namespace base {
 
-// ScopedTypeRef<> is patterned after scoped_ptr<>, but maintains a ownership
+// ScopedTypeRef<> is patterned after std::unique_ptr<>, but maintains a
+// ownership
 // of a reference to any type that is maintained by Retain and Release methods.
 //
 // The Traits structure must provide the Retain and Release methods for type T.
@@ -131,7 +132,7 @@ class ScopedTypeRef {
     object_ = temp;
   }
 
-  // ScopedTypeRef<>::release() is like scoped_ptr<>::release.  It is NOT
+  // ScopedTypeRef<>::release() is like std::unique_ptr<>::release.  It is NOT
   // a wrapper for Release().  To force a ScopedTypeRef<> object to call
   // Release(), use ScopedTypeRef<>::reset().
   T release() WARN_UNUSED_RESULT {