1 files changed, 27 insertions, 0 deletions

diff --git a/src/3rdparty/webkit/JavaScriptCore/wtf/RefPtr.h b/src/3rdparty/webkit/JavaScriptCore/wtf/RefPtr.h
index 1a0b1fe..8388715 100644
--- a/src/3rdparty/webkit/JavaScriptCore/wtf/RefPtr.h
+++ b/src/3rdparty/webkit/JavaScriptCore/wtf/RefPtr.h
@@ -30,6 +30,7 @@ namespace WTF {
     enum PlacementNewAdoptType { PlacementNewAdopt };
 
     template <typename T> class PassRefPtr;
+    template <typename T> class NonNullPassRefPtr;
 
     enum HashTableDeletedValueType { HashTableDeletedValue };
 
@@ -40,6 +41,7 @@ namespace WTF {
         RefPtr(const RefPtr& o) : m_ptr(o.m_ptr) { T* ptr = m_ptr; refIfNotNull(ptr); }
         // see comment in PassRefPtr.h for why this takes const reference
         template <typename U> RefPtr(const PassRefPtr<U>&);
+        template <typename U> RefPtr(const NonNullPassRefPtr<U>&);
 
         // Special constructor for cases where we overwrite an object in place.
         RefPtr(PlacementNewAdoptType) { }
@@ -73,8 +75,10 @@ namespace WTF {
         RefPtr& operator=(const RefPtr&);
         RefPtr& operator=(T*);
         RefPtr& operator=(const PassRefPtr<T>&);
+        RefPtr& operator=(const NonNullPassRefPtr<T>&);
         template <typename U> RefPtr& operator=(const RefPtr<U>&);
         template <typename U> RefPtr& operator=(const PassRefPtr<U>&);
+        template <typename U> RefPtr& operator=(const NonNullPassRefPtr<U>&);
 
         void swap(RefPtr&);
 
@@ -89,6 +93,11 @@ namespace WTF {
     {
     }
 
+    template <typename T> template <typename U> inline RefPtr<T>::RefPtr(const NonNullPassRefPtr<U>& o)
+        : m_ptr(o.releaseRef())
+    {
+    }
+
     template <typename T> inline RefPtr<T>& RefPtr<T>::operator=(const RefPtr<T>& o)
     {
         T* optr = o.get();
@@ -126,6 +135,15 @@ namespace WTF {
         return *this;
     }
 
+    template <typename T> inline RefPtr<T>& RefPtr<T>::operator=(const NonNullPassRefPtr<T>& o)
+    {
+        T* ptr = m_ptr;
+        m_ptr = o.releaseRef();
+        if (ptr)
+            ptr->deref();
+        return *this;
+    }
+
     template <typename T> template <typename U> inline RefPtr<T>& RefPtr<T>::operator=(const PassRefPtr<U>& o)
     {
         T* ptr = m_ptr;
@@ -134,6 +152,15 @@ namespace WTF {
         return *this;
     }
 
+    template <typename T> template <typename U> inline RefPtr<T>& RefPtr<T>::operator=(const NonNullPassRefPtr<U>& o)
+    {
+        T* ptr = m_ptr;
+        m_ptr = o.releaseRef();
+        if (ptr)
+            ptr->deref();
+        return *this;
+    }
+
     template <class T> inline void RefPtr<T>::swap(RefPtr<T>& o)
     {
         std::swap(m_ptr, o.m_ptr);