Oilpan: Remove most WillBe types from the code base

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

Index: third_party/WebKit/Source/core/svg/SVGLineElement.h
diff --git a/third_party/WebKit/Source/core/svg/SVGLineElement.h b/third_party/WebKit/Source/core/svg/SVGLineElement.h
index 81288a6d20c8d22f238c9f5b566076af4476fdb5..b3e4c22cde0b62fefe966f19503e8e855531c24c 100644
--- a/third_party/WebKit/Source/core/svg/SVGLineElement.h
+++ b/third_party/WebKit/Source/core/svg/SVGLineElement.h
@@ -50,10 +50,10 @@ private:
 
     bool selfHasRelativeLengths() const override;
 
-    RefPtrWillBeMember<SVGAnimatedLength> m_x1;
-    RefPtrWillBeMember<SVGAnimatedLength> m_y1;
-    RefPtrWillBeMember<SVGAnimatedLength> m_x2;
-    RefPtrWillBeMember<SVGAnimatedLength> m_y2;
+    Member<SVGAnimatedLength> m_x1;
+    Member<SVGAnimatedLength> m_y1;
+    Member<SVGAnimatedLength> m_x2;
+    Member<SVGAnimatedLength> m_y2;
 };
 
 } // namespace blink