Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/animation/LengthPairStyleInterpolation.cpp

 // Copyright 2014 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.
 
 #include "core/animation/LengthPairStyleInterpolation.h"
 
 #include "core/animation/LengthStyleInterpolation.h"
 #include "core/css/CSSValuePair.h"
 #include "core/css/resolver/StyleBuilder.h"
 
 namespace blink {
 
 bool LengthPairStyleInterpolation::canCreateFrom(const CSSValue& value)
 {
     return value.isValuePair();
 }
 
 PassOwnPtr<InterpolableValue> LengthPairStyleInterpolation::lengthPairToInterpolableValue(const CSSValue& value)
 {
     OwnPtr<InterpolableList> result = InterpolableList::create(2);
     const CSSValuePair& pair = toCSSValuePair(value);
 
     result->set(0, LengthStyleInterpolation::toInterpolableValue(pair.first()));
     result->set(1, LengthStyleInterpolation::toInterpolableValue(pair.second()));
     return result.release();
 }
 
-PassRefPtrWillBeRawPtr<CSSValue> LengthPairStyleInterpolation::interpolableValueToLengthPair(InterpolableValue* value, InterpolationRange range)
+RawPtr<CSSValue> LengthPairStyleInterpolation::interpolableValueToLengthPair(InterpolableValue* value, InterpolationRange range)
 {
     InterpolableList* lengthPair = toInterpolableList(value);
-    RefPtrWillBeRawPtr<CSSPrimitiveValue> first = LengthStyleInterpolation::fromInterpolableValue(*lengthPair->get(0), range);
-    RefPtrWillBeRawPtr<CSSPrimitiveValue> second = LengthStyleInterpolation::fromInterpolableValue(*lengthPair->get(1), range);
+    RawPtr<CSSPrimitiveValue> first = LengthStyleInterpolation::fromInterpolableValue(*lengthPair->get(0), range);
+    RawPtr<CSSPrimitiveValue> second = LengthStyleInterpolation::fromInterpolableValue(*lengthPair->get(1), range);
     return CSSValuePair::create(first.release(), second.release(), CSSValuePair::KeepIdenticalValues);
 }
 
 void LengthPairStyleInterpolation::apply(StyleResolverState& state) const
 {
     StyleBuilder::applyProperty(m_id, state, interpolableValueToLengthPair(m_cachedValue.get(), m_range).get());
 }
 
 } // namespace blink