Tell IDB frontend about data loss

content/test/data/indexeddb/open_bad_db.js

Index: content/test/data/indexeddb/open_bad_db.js
diff --git a/content/test/data/indexeddb/open_bad_db.js b/content/test/data/indexeddb/open_bad_db.js
index 2b360be03c7d2635f3ebc64c3fd63f45da4a6381..0ab3f000fac1ef1fec7fc28dda156c14678574ca 100644
--- a/content/test/data/indexeddb/open_bad_db.js
+++ b/content/test/data/indexeddb/open_bad_db.js
@@ -11,7 +11,9 @@ function test() {
 }
 
 var gotUpgradeNeeded = false;
-function upgradeNeeded() {
+function upgradeNeeded(evt) {
+  event = evt;
+  shouldBe("event.dataLoss", "'total'");

[jsbell, 2013/06/14 20:42:58]

Will it be possible to land this before the Blink changes?

[dgrogan, 2013/06/14 22:06:43]

Ugh, no. Looks like this will be a 4-patch change.

1) Add Blink API alongside old function signature
2) Chrome code
3) Blink code, remove old Blink API function signature.
4) This test

   gotUpgradeNeeded = true;
 }