Fixed bug 46085. We were not firing the select event. r=mjudge.

dom/public/idl/range/SelectionListener.idl

@@ -5,6 +5,7 @@
   const short DRAG_REASON=1;
   const short MOUSEDOWN_REASON=2;/*bitflags*/
   const short MOUSEUP_REASON=4;/*bitflags*/
+  const short KEYPRESS_REASON=8;/*bitflags*/
 
 	void			notifySelectionChanged(in Document doc, in Selection sel, in short reason);
 };

dom/public/range/nsIDOMSelectionListener.h

@@ -42,7 +42,8 @@ public:
     NO_REASON = 0,
     DRAG_REASON = 1,
     MOUSEDOWN_REASON = 2,
-    MOUSEUP_REASON = 4
+    MOUSEUP_REASON = 4,
+    KEYPRESS_REASON = 8
   };
 
   NS_IMETHOD    NotifySelectionChanged(nsIDOMDocument* aDoc, nsIDOMSelection* aSel, PRInt16 aReason)=0;

dom/src/range/nsJSSelectionListener.cpp

@@ -301,6 +301,9 @@ extern "C" NS_DOM nsresult NS_InitSelectionListenerClass(nsIScriptContext *aCont
       vp = INT_TO_JSVAL(nsIDOMSelectionListener::MOUSEUP_REASON);
       JS_SetProperty(jscontext, constructor, "MOUSEUP_REASON", &vp);
 
+      vp = INT_TO_JSVAL(nsIDOMSelectionListener::KEYPRESS_REASON);
+      JS_SetProperty(jscontext, constructor, "KEYPRESS_REASON", &vp);
+
     }
 
   }