Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/dom/Range.idl

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 // https://dom.spec.whatwg.org/#interface-range
 
 // FIXME: All long types in this interface should be unsigned long.
 [
     Constructor,
     ConstructorCallWith=Document,
-    WillBeGarbageCollected,
+    GarbageCollected,
 ] interface Range {
     readonly attribute Node startContainer;
     readonly attribute long startOffset;
     readonly attribute Node endContainer;
     readonly attribute long endOffset;
     readonly attribute boolean collapsed;
     readonly attribute Node commonAncestorContainer;
 
     [RaisesException] void setStart(Node node, long offset);
     [RaisesException] void setEnd(Node node, long offset);
@@ skipping 34 matching lines @@
     ClientRectList getClientRects();
     ClientRect getBoundingClientRect();
 
     // DOM Parsing and Serialization
     // https://dvcs.w3.org/hg/innerhtml/raw-file/tip/index.html#extensions-to-the-range-interface
     [NewObject, RaisesException, CustomElementCallbacks] DocumentFragment createContextualFragment(DOMString fragment);
 
     // Non-standard API
     [RaisesException, DeprecateAs=RangeExpand] void expand([Default=Undefined] optional DOMString unit);
 };