Oilpan: Remove most WillBe types from the code base

third_party/WebKit/Source/core/frame/csp/CSPDirective.h

 // 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.
 
 #ifndef CSPDirective_h
 #define CSPDirective_h
 
 #include "platform/heap/Handle.h"
 #include "wtf/text/WTFString.h"
 
@@ skipping 14 matching lines @@
 
     const String& text() const { return m_text; }
 
 protected:
     ContentSecurityPolicy* policy() const { return m_policy; }
 
 private:
     String m_name;
     String m_text;
     // TODO(Oilpan): consider moving ContentSecurityPolicy auxilliary objects to the heap.
-    RawPtrWillBeUntracedMember<ContentSecurityPolicy> m_policy;
+    UntracedMember<ContentSecurityPolicy> m_policy;
 };
 
 } // namespace blink
 
 #endif