Revert of Pass the v8::Context through the willDestroyServiceWorkerContextOnWorkerThread event.

chrome/renderer/chrome_content_renderer_client.cc

Index: chrome/renderer/chrome_content_renderer_client.cc
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index 96f9baac5af18763ec0ddc9bd1534e9d91bfee84..9991e3b306d86ba9722a1256efed2b1e9aa5daa7 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -1644,10 +1644,8 @@
 }
 
 void ChromeContentRendererClient::WillDestroyServiceWorkerContextOnWorkerThread(
-    v8::Local<v8::Context> context,
     const GURL& url) {
 #if defined(ENABLE_EXTENSIONS)
-  extensions::Dispatcher::WillDestroyServiceWorkerContextOnWorkerThread(context,
-                                                                        url);
-#endif
-}
+  extensions::Dispatcher::WillDestroyServiceWorkerContextOnWorkerThread(url);
+#endif
+}