diff --git a/mozilla/modules/plugin/base/public/nsIEventHandler.idl b/mozilla/modules/plugin/base/public/nsIEventHandler.idl
index 8642a23ef73..7260b858369 100644
--- a/mozilla/modules/plugin/base/public/nsIEventHandler.idl
+++ b/mozilla/modules/plugin/base/public/nsIEventHandler.idl
@@ -56,5 +56,5 @@ interface nsIEventHandler : nsISupports
      * @param event - the event to be handled
      * @result - PR_TRUE if event was handled
      */
-    boolean HandleEvent(in nsPluginEventPtr event);
+    boolean handleEvent(in nsPluginEventPtr event);
 };
diff --git a/mozilla/modules/plugin/public/nsIEventHandler.idl b/mozilla/modules/plugin/public/nsIEventHandler.idl
index 8642a23ef73..7260b858369 100644
--- a/mozilla/modules/plugin/public/nsIEventHandler.idl
+++ b/mozilla/modules/plugin/public/nsIEventHandler.idl
@@ -56,5 +56,5 @@ interface nsIEventHandler : nsISupports
      * @param event - the event to be handled
      * @result - PR_TRUE if event was handled
      */
-    boolean HandleEvent(in nsPluginEventPtr event);
+    boolean handleEvent(in nsPluginEventPtr event);
 };