Bug 719851 - Remove Flash view on Android when plugin instance is lost r=blassey

--HG--
extra : rebase_source : 88996dc534da0bab5a4bd19104ec2f604c241c90

dom/plugins/base/nsPluginInstanceOwner.cpp

@@ -415,9 +415,14 @@ nsPluginInstanceOwner::SetInstance(nsNPAPIPluginInstance *aInstance)
   // If we're going to null out mInstance after use, be sure to call
   // mInstance->InvalidateOwner() here, since it now won't be called
   // from our destructor.  This fixes bug 613376.
-  if (mInstance && !aInstance)
+  if (mInstance && !aInstance) {
     mInstance->InvalidateOwner();
 
+#ifdef MOZ_WIDGET_ANDROID
+    RemovePluginView();
+#endif
+  }
+
   mInstance = aInstance;
 
   return NS_OK;