Reland: WTF: Implement explicit RefPtr::operator bool.

third_party/WebKit/Source/core/layout/LayoutCounter.cpp

Index: third_party/WebKit/Source/core/layout/LayoutCounter.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutCounter.cpp b/third_party/WebKit/Source/core/layout/LayoutCounter.cpp
index 8086a94eae5768719f49b6b39457f9dac91c83e9..8f48f651defac3d1bec976563da1272c11109902 100644
--- a/third_party/WebKit/Source/core/layout/LayoutCounter.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutCounter.cpp
@@ -227,7 +227,7 @@ static bool findPlaceForCounter(LayoutObject& counterOwner, const AtomicString&
                             // we are a root node if that reset is a root.
                             parent = currentCounter->parent();
                             previousSibling = parent ? currentCounter : nullptr;
-                            return parent;
+                            return parent.get();
                         }
                         // We are not a reset node or the previous reset must be on an ancestor of our owner layoutObject
                         // hence we must be a child of that reset counter.
@@ -261,7 +261,7 @@ static bool findPlaceForCounter(LayoutObject& counterOwner, const AtomicString&
                         if (isReset && areLayoutObjectsElementsSiblings(*currentLayoutObject, counterOwner)) {
                             parent = currentCounter->parent();
                             previousSibling = currentCounter;
-                            return parent;
+                            return parent.get();
                         }
                         parent = currentCounter;
                         previousSibling = previousSiblingProtector.get();