Oilpan: Remove most WillBe types from the code base

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CSSFontFamilyValue_h
 #define CSSFontFamilyValue_h
 
 #include "core/css/CSSValue.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace blink {
 
 class CSSFontFamilyValue : public CSSValue {
 public:
-    static PassRefPtrWillBeRawPtr<CSSFontFamilyValue> create(const String& str)
+    static RawPtr<CSSFontFamilyValue> create(const String& str)
     {
-        return adoptRefWillBeNoop(new CSSFontFamilyValue(str));
+        return new CSSFontFamilyValue(str);
     }
 
     String value() const { return m_string; }
 
     String customCSSText() const;
 
     bool equals(const CSSFontFamilyValue& other) const
     {
         return m_string == other.m_string;
     }
 
     DECLARE_TRACE_AFTER_DISPATCH();
 
 private:
     CSSFontFamilyValue(const String&);
 
     // TODO(sashab): Change this to an AtomicString.
     String m_string;
 };
 
 DEFINE_CSS_VALUE_TYPE_CASTS(CSSFontFamilyValue, isFontFamilyValue());
 
 } // namespace blink
 
 #endif // CSSFontFamilyValue_h