Bug 690372 - Give an IID to dom::Element. r=ehsan

content/base/public/Element.h

@@ -88,6 +88,11 @@ namespace dom {
 
 class Link;
 
+// IID for the dom::Element interface
+#define NS_ELEMENT_IID      \
+{ 0xa1588efb, 0x5a84, 0x49cd, \
+  { 0x99, 0x1a, 0xac, 0x84, 0x9d, 0x92, 0x05, 0x0f } }
+
 class Element : public nsIContent
 {
 public:
@@ -98,6 +103,8 @@ public:
   {}
 #endif // MOZILLA_INTERNAL_API
 
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_ELEMENT_IID)
+
   NS_DECL_AND_IMPL_DOM_MEMORY_REPORTER_SIZEOF(Element, nsIContent)
 
   /**
@@ -187,6 +194,8 @@ private:
   nsEventStates mState;
 };
 
+NS_DEFINE_STATIC_IID_ACCESSOR(Element, NS_ELEMENT_IID)
+
 } // namespace dom
 } // namespace mozilla
 

content/base/src/nsGenericElement.cpp

@@ -4343,6 +4343,7 @@ NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
 NS_INTERFACE_MAP_BEGIN(nsGenericElement)
   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
   NS_INTERFACE_MAP_ENTRIES_CYCLE_COLLECTION(nsGenericElement)
+  NS_INTERFACE_MAP_ENTRY(Element)
   NS_INTERFACE_MAP_ENTRY(nsIContent)
   NS_INTERFACE_MAP_ENTRY(nsINode)
   NS_INTERFACE_MAP_ENTRY(nsIDOMEventTarget)