Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/platform/graphics/filters/FETile.cpp

Index: third_party/WebKit/Source/platform/graphics/filters/FETile.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/filters/FETile.cpp b/third_party/WebKit/Source/platform/graphics/filters/FETile.cpp
index f42ffe95fe678c28391023427663e69e0a3fc82b..cecf877010709efba5733d1defafae4b8120bdcf 100644
--- a/third_party/WebKit/Source/platform/graphics/filters/FETile.cpp
+++ b/third_party/WebKit/Source/platform/graphics/filters/FETile.cpp
@@ -33,9 +33,9 @@ FETile::FETile(Filter* filter)
 {
 }
 
-PassRefPtrWillBeRawPtr<FETile> FETile::create(Filter* filter)
+RawPtr<FETile> FETile::create(Filter* filter)
 {
-    return adoptRefWillBeNoop(new FETile(filter));
+    return (new FETile(filter));
 }
 
 FloatRect FETile::mapPaintRect(const FloatRect& rect, bool forward)