Indexed DB: Remove vendor prefix removal from tests

LayoutTests/storage/indexeddb/key-generator-expected.txt

Index: LayoutTests/storage/indexeddb/key-generator-expected.txt
diff --git a/LayoutTests/storage/indexeddb/key-generator-expected.txt b/LayoutTests/storage/indexeddb/key-generator-expected.txt
index 096734a99258d42e175893b9abf6e2b06b787df0..42cc7aa0859dffa0191a3a6f817bfb30e2a847ca 100644
--- a/LayoutTests/storage/indexeddb/key-generator-expected.txt
+++ b/LayoutTests/storage/indexeddb/key-generator-expected.txt
@@ -3,12 +3,8 @@ Test IndexedDB's key generator behavior.
 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;
-
 
 Verify that each object store has an independent key generator.
-indexedDB = self.indexedDB || self.webkitIndexedDB || self.mozIndexedDB || self.msIndexedDB || self.OIndexedDB;
-
 dbname = "key-generator.html"
 indexedDB.deleteDatabase(dbname)
 indexedDB.open(dbname)
@@ -29,8 +25,6 @@ PASS Got "b" for key: 2
 db.close()
 
 Verify that the key generator is not updated if insertion fails
-indexedDB = self.indexedDB || self.webkitIndexedDB || self.mozIndexedDB || self.msIndexedDB || self.OIndexedDB;
-
 dbname = "key-generator.html"
 indexedDB.deleteDatabase(dbname)
 indexedDB.open(dbname)
@@ -46,8 +40,6 @@ PASS Got {"ix":"b"} for key: 2
 db.close()
 
 Verify that the key generator is not affected by item removal (delete or clear).
-indexedDB = self.indexedDB || self.webkitIndexedDB || self.mozIndexedDB || self.msIndexedDB || self.OIndexedDB;
-
 dbname = "key-generator.html"
 indexedDB.deleteDatabase(dbname)
 indexedDB.open(dbname)
@@ -70,8 +62,6 @@ PASS Got "d" for key: 4
 db.close()
 
 Verify that the key generator is only set if and only if a numeric key greater than the last generated key is used.
-indexedDB = self.indexedDB || self.webkitIndexedDB || self.mozIndexedDB || self.msIndexedDB || self.OIndexedDB;
-
 dbname = "key-generator.html"
 indexedDB.deleteDatabase(dbname)
 indexedDB.open(dbname)
@@ -118,8 +108,6 @@ PASS Got "k" for key: 11
 db.close()
 
 Verify that aborting a transaction resets the key generator state.
-indexedDB = self.indexedDB || self.webkitIndexedDB || self.mozIndexedDB || self.msIndexedDB || self.OIndexedDB;
-
 dbname = "key-generator.html"
 indexedDB.deleteDatabase(dbname)
 indexedDB.open(dbname)
@@ -145,8 +133,6 @@ PASS Got "d" for key: 2
 db.close()
 
 Verify that keys above 2^53 result in errors.
-indexedDB = self.indexedDB || self.webkitIndexedDB || self.mozIndexedDB || self.msIndexedDB || self.OIndexedDB;
-
 dbname = "key-generator.html"
 indexedDB.deleteDatabase(dbname)
 indexedDB.open(dbname)
@@ -168,8 +154,6 @@ PASS Got "d" for key: 2
 db.close()
 
 Ensure key generator state is maintained across connections:
-indexedDB = self.indexedDB || self.webkitIndexedDB || self.mozIndexedDB || self.msIndexedDB || self.OIndexedDB;
-
 dbname = "key-generator.html"
 indexedDB.deleteDatabase(dbname)
 indexedDB.open(dbname)