Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/xml/XPathNodeSet.h

Index: third_party/WebKit/Source/core/xml/XPathNodeSet.h
diff --git a/third_party/WebKit/Source/core/xml/XPathNodeSet.h b/third_party/WebKit/Source/core/xml/XPathNodeSet.h
index c6ffede9ae9d79aa938ebf487dc3bbd2c8395234..7ffce04ca2be55d5c1552a268effe937a3ac0b9d 100644
--- a/third_party/WebKit/Source/core/xml/XPathNodeSet.h
+++ b/third_party/WebKit/Source/core/xml/XPathNodeSet.h
@@ -49,7 +49,7 @@ public:
     void swap(NodeSet& other) { std::swap(m_isSorted, other.m_isSorted); std::swap(m_subtreesAreDisjoint, other.m_subtreesAreDisjoint); m_nodes.swap(other.m_nodes); }
 
     // NodeSet itself does not verify that nodes in it are unique.
-    void append(PassRefPtrWillBeRawPtr<Node> node) { m_nodes.append(node); }
+    void append(RawPtr<Node> node) { m_nodes.append(node); }
     void append(const NodeSet& nodeSet) { m_nodes.appendVector(nodeSet.m_nodes); }
 
     // Returns the set's first node in document order, or 0 if the set is empty.
@@ -78,7 +78,7 @@ private:
 
     bool m_isSorted;
     bool m_subtreesAreDisjoint;
-    WillBeHeapVector<RefPtrWillBeMember<Node>> m_nodes;
+    HeapVector<Member<Node>> m_nodes;
 };
 
 } // namespace XPath