Blob support for IDB [Blink]

LayoutTests/storage/indexeddb/blob-valid-after-deletion-expected.txt

Index: LayoutTests/storage/indexeddb/blob-valid-after-deletion-expected.txt
diff --git a/LayoutTests/storage/indexeddb/blob-valid-after-deletion-expected.txt b/LayoutTests/storage/indexeddb/blob-valid-after-deletion-expected.txt
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+++ b/LayoutTests/storage/indexeddb/blob-valid-after-deletion-expected.txt
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+Confirm that blobs stay alive after their records are deleted.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+indexedDB = self.indexedDB || self.webkitIndexedDB || self.mozIndexedDB || self.msIndexedDB || self.OIndexedDB;
+
+dbname = "blob-valid-after-deletion.html"
+indexedDB.deleteDatabase(dbname)
+indexedDB.open(dbname)
+store = db.createObjectStore('store')
+store.put(value, key)
+
+doRead():
+trans = db.transaction('store')
+store = trans.objectStore('store')
+request = store.get(key)
+trans = db.transaction('store', 'readwrite')
+store = trans.objectStore('store')
+request = store.delete(key)
+PASS document.getElementById('frame0').contentDocument.body.innerText is blobAContent
+PASS document.getElementById('frame1').contentDocument.body.innerText is blobAContent
+PASS document.getElementById('frame2').contentDocument.body.innerText is blobBContent
+PASS successfullyParsed is true
+
+TEST COMPLETE
+