Make ElementShadow::oldestShadowRoot() return a reference

third_party/WebKit/Source/core/testing/Internals.cpp

Index: third_party/WebKit/Source/core/testing/Internals.cpp
diff --git a/third_party/WebKit/Source/core/testing/Internals.cpp b/third_party/WebKit/Source/core/testing/Internals.cpp
index c1649019cf2650b5694fe53b79a3a1cb984c5a5b..747d05668532d8bd06a40bdd65b09bf1af29e384 100644
--- a/third_party/WebKit/Source/core/testing/Internals.cpp
+++ b/third_party/WebKit/Source/core/testing/Internals.cpp
@@ -692,7 +692,7 @@ ShadowRoot* Internals::oldestShadowRoot(Element* host)
 {
     ASSERT(host);
     if (ElementShadow* shadow = host->shadow())
-        return shadow->oldestShadowRoot();
+        return &shadow->oldestShadowRoot();
     return 0;
 }