Blob support for IDB [Blink]

LayoutTests/storage/indexeddb/blob-valid-before-commit-expected.txt

Index: LayoutTests/storage/indexeddb/blob-valid-before-commit-expected.txt
diff --git a/LayoutTests/storage/indexeddb/blob-valid-before-commit-expected.txt b/LayoutTests/storage/indexeddb/blob-valid-before-commit-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..22aec005b68c8d877e8395ba32f8515926a40f0e
--- /dev/null
+++ b/LayoutTests/storage/indexeddb/blob-valid-before-commit-expected.txt
@@ -0,0 +1,20 @@
+Confirm that blobs can be read back before their records are committed.
+
+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-before-commit.html"
+indexedDB.deleteDatabase(dbname)
+indexedDB.open(dbname)
+store = db.createObjectStore('store')
+store.put(value, key)
+request = store.get(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
+