Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/css/MediaQueryExp.cpp

 /*
  * CSS Media Query
  *
  * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 183 matching lines @@
     , m_expValue(other.expValue())
 {
 }
 
 MediaQueryExp::MediaQueryExp(const String& mediaFeature, const MediaQueryExpValue& expValue)
     : m_mediaFeature(mediaFeature)
     , m_expValue(expValue)
 {
 }
 
-PassOwnPtrWillBeRawPtr<MediaQueryExp> MediaQueryExp::createIfValid(const String& mediaFeature, const Vector<CSSParserToken, 4>& tokenList)
+RawPtr<MediaQueryExp> MediaQueryExp::createIfValid(const String& mediaFeature, const Vector<CSSParserToken, 4>& tokenList)
 {
     ASSERT(!mediaFeature.isNull());
 
     MediaQueryExpValue expValue;
     String lowerMediaFeature = attemptStaticStringCreation(mediaFeature.lower());
 
     // Create value for media query expression that must have 1 or more values.
     if (tokenList.size() == 0 && featureWithoutValue(lowerMediaFeature)) {
         // Valid, creates a MediaQueryExp with an 'invalid' MediaQueryExpValue
     } else if (tokenList.size() == 1) {
@@ skipping 43 matching lines @@
         if (denominator.type() != NumberToken || denominator.numericValue() <= 0 || denominator.numericValueType() != IntegerValueType)
             return nullptr;
 
         expValue.numerator = (unsigned)numerator.numericValue();
         expValue.denominator = (unsigned)denominator.numericValue();
         expValue.isRatio = true;
     } else {
         return nullptr;
     }
 
-    return adoptPtrWillBeNoop(new MediaQueryExp(lowerMediaFeature, expValue));
+    return (new MediaQueryExp(lowerMediaFeature, expValue));
 }
 
 MediaQueryExp::~MediaQueryExp()
 {
 }
 
 bool MediaQueryExp::operator==(const MediaQueryExp& other) const
 {
     return (other.m_mediaFeature == m_mediaFeature)
         && ((!other.m_expValue.isValid() && !m_expValue.isValid())
@@ skipping 30 matching lines @@
         output.append('/');
         output.append(printNumber(denominator));
     } else if (isID) {
         output.append(getValueName(id));
     }
 
     return output.toString();
 }
 
 } // namespace blink