Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/svg/SVGStaticStringList.cpp

Index: third_party/WebKit/Source/core/svg/SVGStaticStringList.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGStaticStringList.cpp b/third_party/WebKit/Source/core/svg/SVGStaticStringList.cpp
index 8fd23a5772fa3f5c9b29c0e7e999824bac352f67..5c572e9f8fbed776c77c07370f85ab5e414cf015 100644
--- a/third_party/WebKit/Source/core/svg/SVGStaticStringList.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGStaticStringList.cpp
@@ -68,13 +68,13 @@ bool SVGStaticStringList::isAnimating() const
     return false;
 }
 
-PassRefPtrWillBeRawPtr<SVGPropertyBase> SVGStaticStringList::createAnimatedValue()
+RawPtr<SVGPropertyBase> SVGStaticStringList::createAnimatedValue()
 {
     ASSERT_NOT_REACHED();
     return nullptr;
 }
 
-void SVGStaticStringList::setAnimatedValue(PassRefPtrWillBeRawPtr<SVGPropertyBase>)
+void SVGStaticStringList::setAnimatedValue(RawPtr<SVGPropertyBase>)
 {
     ASSERT_NOT_REACHED();
 }