Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/css/CSSInitialValue.h

Index: third_party/WebKit/Source/core/css/CSSInitialValue.h
diff --git a/third_party/WebKit/Source/core/css/CSSInitialValue.h b/third_party/WebKit/Source/core/css/CSSInitialValue.h
index c493c3b055794aa4fb5db9078078611d3dc18777..f86da526ac32af7e6f1b50bb111959ce24d316c8 100644
--- a/third_party/WebKit/Source/core/css/CSSInitialValue.h
+++ b/third_party/WebKit/Source/core/css/CSSInitialValue.h
@@ -28,13 +28,13 @@ namespace blink {
 
 class CSSInitialValue : public CSSValue {
 public:
-    static PassRefPtrWillBeRawPtr<CSSInitialValue> createExplicit()
+    static RawPtr<CSSInitialValue> createExplicit()
     {
-        return adoptRefWillBeNoop(new CSSInitialValue(/* implicit */ false));
+        return new CSSInitialValue(/* implicit */ false);
     }
-    static PassRefPtrWillBeRawPtr<CSSInitialValue> createImplicit()
+    static RawPtr<CSSInitialValue> createImplicit()
     {
-        return adoptRefWillBeNoop(new CSSInitialValue(/* implicit */ true));
+        return new CSSInitialValue(/* implicit */ true);
     }
 
     String customCSSText() const;