use native event routing for synthesized key events. b=432405 r/sr=roc a=dsicore

widget/src/cocoa/nsChildView.mm

@@ -1305,8 +1305,8 @@ void nsChildView::SynthesizeNativeKeyEvent(PRInt32 aNativeKeyboardLayout,
     PRInt32 currentLayout = gOverrideKeyboardLayout;
     gOverrideKeyboardLayout = aNativeKeyboardLayout;
     ChildView* view = static_cast<ChildView*>(mView);
-    [view keyDown:downEvent];
-    [view keyUp:upEvent];
+    [NSApp sendEvent:downEvent];
+    [NSApp sendEvent:upEvent];
     // processKeyDownEvent and keyUp block exceptions so we're sure to
     // reach here to restore gOverrideKeyboardLayout
     gOverrideKeyboardLayout = currentLayout;

widget/tests/test_keycodes.xul

@@ -39,6 +39,8 @@ function synthesizeNativeKey(aLayout, aKeyCode, aModifiers, aSystemChars,
   if (!aWindow)
     aWindow = window;
 
+  document.getElementById("button").focus();
+
   var utils = aWindow.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
                       getInterface(Components.interfaces.nsIDOMWindowUtils);