Oilpan: Remove most WillBe types from the code base

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

Index: third_party/WebKit/Source/core/css/CSSColorValue.h
diff --git a/third_party/WebKit/Source/core/css/CSSColorValue.h b/third_party/WebKit/Source/core/css/CSSColorValue.h
index 6b7ce222f668cb349965cc1d15c5c57c81a06680..21e6f518e84563dec0820bd92d54701cec535400 100644
--- a/third_party/WebKit/Source/core/css/CSSColorValue.h
+++ b/third_party/WebKit/Source/core/css/CSSColorValue.h
@@ -14,9 +14,9 @@ namespace blink {
 // Represents the non-keyword subset of <color>.
 class CSSColorValue : public CSSValue {
 public:
-    static PassRefPtrWillBeRawPtr<CSSColorValue> create(Color color)
+    static RawPtr<CSSColorValue> create(Color color)
     {
-        return adoptRefWillBeNoop(new CSSColorValue(color));
+        return new CSSColorValue(color);
     }
 
     String customCSSText() const