[Oilpan] Prepare full definition of classes before using Member

third_party/WebKit/Source/core/dom/SecurityContext.h

 /*
  * Copyright (C) 2011 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 39 matching lines @@
 
     using InsecureNavigationsSet = HashSet<unsigned, WTF::AlreadyHashed>;
 
     // The ordering here is important: 'Upgrade' overrides 'DoNotUpgrade'.
     enum InsecureRequestsPolicy {
         InsecureRequestsDoNotUpgrade = 0,
         InsecureRequestsUpgrade
     };
 
     SecurityOrigin* securityOrigin() const { return m_securityOrigin.get(); }
-    ContentSecurityPolicy* contentSecurityPolicy() const { return m_contentSecurityPolicy.get(); }
+    ContentSecurityPolicy* contentSecurityPolicy() const;
 
     bool isSecureTransitionTo(const KURL&) const;
 
     // Explicitly override the security origin for this security context.
     // Note: It is dangerous to change the security origin of a script context
     //       that already contains content.
     void setSecurityOrigin(PassRefPtr<SecurityOrigin>);
     virtual void didUpdateSecurityOrigin() = 0;
 
     SandboxFlags sandboxFlags() const { return m_sandboxFlags; }
@@ skipping 26 matching lines @@
     SandboxFlags m_sandboxFlags;
 
     bool m_hostedInReservedIPRange;
     InsecureRequestsPolicy m_insecureRequestsPolicy;
     InsecureNavigationsSet m_insecureNavigationsToUpgrade;
 };
 
 } // namespace blink
 
 #endif // SecurityContext_h