Oilpan: Remove most WillBe types from the code base

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

Index: third_party/WebKit/Source/core/svg/SVGAnimatedLength.h
diff --git a/third_party/WebKit/Source/core/svg/SVGAnimatedLength.h b/third_party/WebKit/Source/core/svg/SVGAnimatedLength.h
index b21290df0f42ad210ed0033384eb98d4639853e8..06b2b10320fb95b14d44477f81cf661eecdde4e6 100644
--- a/third_party/WebKit/Source/core/svg/SVGAnimatedLength.h
+++ b/third_party/WebKit/Source/core/svg/SVGAnimatedLength.h
@@ -40,16 +40,16 @@ namespace blink {
 class SVGAnimatedLength : public SVGAnimatedProperty<SVGLength>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtrWillBeRawPtr<SVGAnimatedLength> create(SVGElement* contextElement, const QualifiedName& attributeName, PassRefPtrWillBeRawPtr<SVGLength> initialValue)
+    static RawPtr<SVGAnimatedLength> create(SVGElement* contextElement, const QualifiedName& attributeName, RawPtr<SVGLength> initialValue)
     {
-        return adoptRefWillBeNoop(new SVGAnimatedLength(contextElement, attributeName, initialValue));
+        return new SVGAnimatedLength(contextElement, attributeName, initialValue);
     }
 
     void setDefaultValueAsString(const String&);
     SVGParsingError setBaseValueAsString(const String&) override;
 
 protected:
-    SVGAnimatedLength(SVGElement* contextElement, const QualifiedName& attributeName, PassRefPtrWillBeRawPtr<SVGLength> initialValue)
+    SVGAnimatedLength(SVGElement* contextElement, const QualifiedName& attributeName, RawPtr<SVGLength> initialValue)
         : SVGAnimatedProperty<SVGLength>(contextElement, attributeName, initialValue)
     {
     }