Remove a scoped_refptr<>::swap overload

base/memory/ref_counted.h

Index: base/memory/ref_counted.h
diff --git a/base/memory/ref_counted.h b/base/memory/ref_counted.h
index ff46e6d6e5a9c87782b449474fbbebc4e0865454..37012de0a6bcd3a548db9c4f5c1fe19c26582fef 100644
--- a/base/memory/ref_counted.h
+++ b/base/memory/ref_counted.h
@@ -354,14 +354,10 @@ class scoped_refptr {
     return *this;
   }
 
-  void swap(T** pp) {
-    T* p = ptr_;
-    ptr_ = *pp;
-    *pp = p;
-  }
-
   void swap(scoped_refptr<T>& r) {
-    swap(&r.ptr_);
+    T* tmp = ptr_;
+    ptr_ = r.ptr_;
+    r.ptr_ = tmp;
   }
 
   explicit operator bool() const { return ptr_ != nullptr; }