Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/dom/ParentNode.h

Index: third_party/WebKit/Source/core/dom/ParentNode.h
diff --git a/third_party/WebKit/Source/core/dom/ParentNode.h b/third_party/WebKit/Source/core/dom/ParentNode.h
index 5c66857ee4cbe4817c2c7e9057730adc84e13e4a..274e23aaffc92156a2b33364df926b56a09c6aa9 100644
--- a/third_party/WebKit/Source/core/dom/ParentNode.h
+++ b/third_party/WebKit/Source/core/dom/ParentNode.h
@@ -40,7 +40,7 @@ namespace blink {
 
 class ParentNode {
 public:
-    static PassRefPtrWillBeRawPtr<HTMLCollection> children(ContainerNode& node)
+    static RawPtr<HTMLCollection> children(ContainerNode& node)
     {
         return node.children();
     }
@@ -63,12 +63,12 @@ public:
         return count;
     }
 
-    static PassRefPtrWillBeRawPtr<Element> querySelector(ContainerNode& node, const AtomicString& selectors, ExceptionState& exceptionState)
+    static RawPtr<Element> querySelector(ContainerNode& node, const AtomicString& selectors, ExceptionState& exceptionState)
     {
         return node.querySelector(selectors, exceptionState);
     }
 
-    static PassRefPtrWillBeRawPtr<StaticElementList> querySelectorAll(ContainerNode& node, const AtomicString& selectors, ExceptionState& exceptionState)
+    static RawPtr<StaticElementList> querySelectorAll(ContainerNode& node, const AtomicString& selectors, ExceptionState& exceptionState)
     {
         return node.querySelectorAll(selectors, exceptionState);
     }