new API on deque to set deallocator

base/src/nsDeque.cpp

@@ -63,6 +63,13 @@ PRInt32 nsDeque::GetSize(void) const {
   return mSize;
 }
 
+void nsDeque::SetDeallocator(nsDequeFunctor* aDeallocator){
+  if(mDeallocator) {
+    delete mDeallocator;
+  }
+  mDeallocator=aDeallocator;
+}
+
 /**
  * Remove all items from container without destroying them.
  *

base/src/nsDeque.h

@@ -201,6 +201,8 @@ friend class nsDequeIterator;
    */
   const void* FirstThat(nsDequeFunctor& aFunctor) const;
 
+  void SetDeallocator(nsDequeFunctor* aDeallocator);
+
   /**
    * Perform automated selftest on the deque
    *

xpcom/ds/nsDeque.cpp

@@ -63,6 +63,13 @@ PRInt32 nsDeque::GetSize(void) const {
   return mSize;
 }
 
+void nsDeque::SetDeallocator(nsDequeFunctor* aDeallocator){
+  if(mDeallocator) {
+    delete mDeallocator;
+  }
+  mDeallocator=aDeallocator;
+}
+
 /**
  * Remove all items from container without destroying them.
  *

xpcom/ds/nsDeque.h

@@ -201,6 +201,8 @@ friend class nsDequeIterator;
    */
   const void* FirstThat(nsDequeFunctor& aFunctor) const;
 
+  void SetDeallocator(nsDequeFunctor* aDeallocator);
+
   /**
    * Perform automated selftest on the deque
    *