Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/svg/SVGAnimatedString.h

Index: third_party/WebKit/Source/core/svg/SVGAnimatedString.h
diff --git a/third_party/WebKit/Source/core/svg/SVGAnimatedString.h b/third_party/WebKit/Source/core/svg/SVGAnimatedString.h
index e9da37c31ad8255101f6ec00d293fc6cb282e61f..eca382ffdb6d624b206b8e26499d86141e7a62ad 100644
--- a/third_party/WebKit/Source/core/svg/SVGAnimatedString.h
+++ b/third_party/WebKit/Source/core/svg/SVGAnimatedString.h
@@ -39,9 +39,9 @@ namespace blink {
 class SVGAnimatedString final : public SVGAnimatedProperty<SVGString> {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtrWillBeRawPtr<SVGAnimatedString> create(SVGElement* contextElement, const QualifiedName& attributeName, PassRefPtrWillBeRawPtr<SVGString> initialValue)
+    static RawPtr<SVGAnimatedString> create(SVGElement* contextElement, const QualifiedName& attributeName, RawPtr<SVGString> initialValue)
     {
-        return adoptRefWillBeNoop(new SVGAnimatedString(contextElement, attributeName, initialValue));
+        return (new SVGAnimatedString(contextElement, attributeName, initialValue));
     }
 
     String baseVal();
@@ -49,7 +49,7 @@ public:
     String animVal();
 
 protected:
-    SVGAnimatedString(SVGElement* contextElement, const QualifiedName& attributeName, PassRefPtrWillBeRawPtr<SVGString> initialValue)
+    SVGAnimatedString(SVGElement* contextElement, const QualifiedName& attributeName, RawPtr<SVGString> initialValue)
         : SVGAnimatedProperty<SVGString>(contextElement, attributeName, initialValue)
     {
     }