Limit WTF::getPtr() to native pointer types.

third_party/WebKit/Source/platform/heap/Handle.h

 /*
  * Copyright (C) 2014 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 22 matching lines @@
 
 #include "platform/heap/Heap.h"
 #include "platform/heap/HeapAllocator.h"
 #include "platform/heap/InlinedGlobalMarkingVisitor.h"
 #include "platform/heap/PersistentNode.h"
 #include "platform/heap/ThreadState.h"
 #include "platform/heap/TraceTraits.h"
 #include "platform/heap/Visitor.h"
 #include "wtf/Allocator.h"
 #include "wtf/Atomics.h"
-#include "wtf/Functional.h"
 #include "wtf/HashFunctions.h"
 #include "wtf/TypeTraits.h"
 
 #if defined(LEAK_SANITIZER)
 #include "wtf/LeakAnnotations.h"
 #endif
 
 namespace blink {
 
 // Marker used to annotate persistent objects and collections with,
@@ skipping 1099 matching lines @@
     STATIC_ONLY(NeedsTracing);
     static const bool value = true;
 };
 
 template<typename T>
 struct IsWeak<blink::WeakMember<T>> {
     STATIC_ONLY(IsWeak);
     static const bool value = true;
 };
 
-template<typename T> inline T* getPtr(const blink::Member<T>& p)
-{
-    return p.get();
-}
-
-template<typename T> inline T* getPtr(const blink::Persistent<T>& p)
-{
-    return p.get();
-}
-
 // For wtf/Functional.h
 template<typename T, bool isGarbageCollected> struct PointerParamStorageTraits;
 
 // The condition of 'T must be fully defined' (except for void) is checked in
 // blink::IsGarbageCollectedType<T>::value.
 template<typename T>
 struct PointerParamStorageTraits<T*, false> {
     STATIC_ONLY(PointerParamStorageTraits);
     using StorageType = T*;
 
@@ skipping 43 matching lines @@
     // into it.
     //
     // TODO(sof): remove this hack once wtf/Functional.h can also work with a type like
     // CrossThreadWeakPersistent<>.
     static WeakPtr<T> unwrap(const StorageType& value) { return WeakPtr<T>(WeakReference<T>::create(value.get())); }
 };
 
 } // namespace WTF
 
 #endif