Hide PingLoader lifetime implementation detail from outside view.

third_party/WebKit/Source/core/loader/BeaconLoader.cpp

Index: third_party/WebKit/Source/core/loader/BeaconLoader.cpp
diff --git a/third_party/WebKit/Source/core/loader/BeaconLoader.cpp b/third_party/WebKit/Source/core/loader/BeaconLoader.cpp
index 077f05d54581a85ec9c6c46065d3535e8374650b..8e33dfe9cf6e86275dd5ec16590d75926ddc526a 100644
--- a/third_party/WebKit/Source/core/loader/BeaconLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/BeaconLoader.cpp
@@ -97,9 +97,9 @@ public:
         FetchInitiatorInfo initiatorInfo;
         initiatorInfo.name = FetchInitiatorTypeNames::beacon;
 
-        // Leak the loader, since it will kill itself as soon as it receives a response.
-        RawPtr<BeaconLoader> loader = new BeaconLoader(frame, request, initiatorInfo, AllowStoredCredentials);
-        loader->ref();
+        // The loader keeps itself alive until it receives a response and disposes itself.
+        BeaconLoader* loader = new BeaconLoader(frame, request, initiatorInfo, AllowStoredCredentials);
+        ASSERT_UNUSED(loader, loader);
         return true;
     }
 };