Use V8 Maybe APIs in extensions/renderer

extensions/renderer/guest_view/extensions_guest_view_container.cc

Index: extensions/renderer/guest_view/extensions_guest_view_container.cc
diff --git a/extensions/renderer/guest_view/extensions_guest_view_container.cc b/extensions/renderer/guest_view/extensions_guest_view_container.cc
index 1bd857543ca82bc60eeef524e771bd4620b027b9..a04e5bc95968dde6a0b2cd8881c104327075d63a 100644
--- a/extensions/renderer/guest_view/extensions_guest_view_container.cc
+++ b/extensions/renderer/guest_view/extensions_guest_view_container.cc
@@ -31,7 +31,9 @@ ExtensionsGuestViewContainer::~ExtensionsGuestViewContainer() {
     v8::Context::Scope context_scope(context);
     blink::WebScopedMicrotaskSuppression suppression;
 
-    callback->Call(context->Global(), 0 /* argc */, nullptr);
+    auto maybe =
+        callback->Call(context, context->Global(), 0 /* argc */, nullptr);
+    DCHECK(!maybe.IsEmpty());
   }
 }
 
@@ -77,7 +79,8 @@ void ExtensionsGuestViewContainer::CallElementResizeCallback(
   v8::Context::Scope context_scope(context);
   blink::WebScopedMicrotaskSuppression suppression;
 
-  callback->Call(context->Global(), argc, argv);
+  auto maybe = callback->Call(context, context->Global(), argc, argv);
+  DCHECK(!maybe.IsEmpty());
 }
 
 }  // namespace extensions