[Service] Unset post callbacks

Unexpectedly, post callbacks can be fired from webapi worker thread
after its wrt::api::XwalkExtension instance was destroyed.

Thus, this will unset the post callbacks on unloadInstance API.

Related chromium-efl patch:
https://review.tizen.org/gerrit/272695/

Change-Id: I82e5bdfc48bed4b4d208ca6dd485bdffd1c31a0d
Signed-off-by: DongHyun Song <dh81.song@samsung.com>

diff --git a/wrt_app/common/wrt_xwalk_extension.ts b/wrt_app/common/wrt_xwalk_extension.ts
index 4e32394..c0c9971 100644 (file)
--- a/wrt_app/common/wrt_xwalk_extension.ts
+++ b/wrt_app/common/wrt_xwalk_extension.ts
@@ -230,6 +230,9 @@ export const setRuntimeMessageHandler = (handler: (type: string, data?: string,
 }
 
 export let cleanup = () => {
+  for (const name in extensions_) {
+    extensions_[name].unloadInstance();
+  }
   delete global.tizen;
   instance = undefined;
 }