Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/html/parser/HTMLScriptRunnerHost.h

 /*
  * Copyright (C) 2010 Google, 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 16 matching lines @@
 #define HTMLScriptRunnerHost_h
 
 #include "wtf/Forward.h"
 
 namespace blink {
 
 class HTMLInputStream;
 class Resource;
 class Visitor;
 
-class HTMLScriptRunnerHost : public WillBeGarbageCollectedMixin {
+class HTMLScriptRunnerHost : public GarbageCollectedMixin {
 public:
     virtual ~HTMLScriptRunnerHost() { }
     DEFINE_INLINE_VIRTUAL_TRACE() { }
 
     virtual void notifyScriptLoaded(Resource*) = 0;
     virtual HTMLInputStream& inputStream() = 0;
 
     virtual bool hasPreloadScanner() const = 0;
     virtual void appendCurrentInputStreamToPreloadScannerAndScan() = 0;
 
 };
 
 } // namespace blink
 
 #endif