Bug 930056 - Force invalidate frame when displayitem is remote type. r=mattwoodrow

layout/generic/nsFrame.cpp

@@ -4892,7 +4892,13 @@ nsIFrame::InvalidateLayer(uint32_t aDisplayItemKey,
     // Plugins can transition from not rendering anything to rendering,
     // and still only call this. So always invalidate, with specifying
     // the display item type just in case.
-    if (aDisplayItemKey == nsDisplayItem::TYPE_PLUGIN) {
+    //
+    // In the bug 930056, dialer app startup but not shown on the
+    // screen because sometimes we don't have any retainned data
+    // for remote type displayitem and thus Repaint event is not
+    // triggered. So, always invalidate here as well.
+    if (aDisplayItemKey == nsDisplayItem::TYPE_PLUGIN ||
+        aDisplayItemKey == nsDisplayItem::TYPE_REMOTE) {
       InvalidateFrame();
     } else {
       InvalidateFrame(aDisplayItemKey);