Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/editing/EphemeralRange.cpp

 // Copyright 2015 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/editing/EphemeralRange.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/dom/Range.h"
 #include "core/dom/Text.h"
@@ skipping 119 matching lines @@
     return m_startPosition.isNull() || m_domTreeVersion == m_startPosition.document()->domTreeVersion();
 }
 #else
 template <typename Strategy>
 bool EphemeralRangeTemplate<Strategy>::isValid() const
 {
     return true;
 }
 #endif
 
-PassRefPtrWillBeRawPtr<Range> createRange(const EphemeralRange& range)
+RawPtr<Range> createRange(const EphemeralRange& range)
 {
     if (range.isNull())
         return nullptr;
     return Range::create(range.document(), range.startPosition(), range.endPosition());
 }
 
 template class CORE_TEMPLATE_EXPORT EphemeralRangeTemplate<EditingStrategy>;
 template class CORE_TEMPLATE_EXPORT EphemeralRangeTemplate<EditingInFlatTreeStrategy>;
 
 } // namespace blink