IndexedDB: Log exception messages

LayoutTests/storage/indexeddb/keyrange-expected.txt

 Test IndexedDB's KeyRange.
 
 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;
 
 PASS 'lower' in IDBKeyRange is false
 PASS 'upper' in IDBKeyRange is false
 PASS 'lowerOpen' in IDBKeyRange is false
@@ skipping 196 matching lines @@
 IDBKeyRange.bound('aaf','abf', true, true)
 PASS keyRange.lower is 'aaf'
 PASS keyRange.upper is 'abf'
 PASS keyRange.lowerOpen is true
 PASS keyRange.upperOpen is true
 Passing an invalid key into only({})
 Expecting exception from IDBKeyRange.only({})
 PASS Exception was thrown.
 PASS code is 0
 PASS ename is 'DataError'
+Exception message: The parameter is not a valid key.
 Passing an invalid key into upperBound({})
 Expecting exception from IDBKeyRange.upperBound({})
 PASS Exception was thrown.
 PASS code is 0
 PASS ename is 'DataError'
+Exception message: The parameter is not a valid key.
 Passing an invalid key into lowerBound({})
 Expecting exception from IDBKeyRange.lowerBound({})
 PASS Exception was thrown.
 PASS code is 0
 PASS ename is 'DataError'
+Exception message: The parameter is not a valid key.
 Passing an invalid key into bound(null, {})
 Expecting exception from IDBKeyRange.bound(null, {})
 PASS Exception was thrown.
 PASS code is 0
 PASS ename is 'DataError'
+Exception message: The parameter is not a valid key.
 Passing an invalid key into bound({},null)
 Expecting exception from IDBKeyRange.bound({}, null)
 PASS Exception was thrown.
 PASS code is 0
 PASS ename is 'DataError'
+Exception message: The parameter is not a valid key.
 Passing an invalid key into bound({}, {})
 Expecting exception from IDBKeyRange.bound({}, {})
 PASS Exception was thrown.
 PASS code is 0
 PASS ename is 'DataError'
+Exception message: The parameter is not a valid key.
 Lower key greater than higher key, bound(4, 3)
 Expecting exception from IDBKeyRange.bound(4, 3)
 PASS Exception was thrown.
 PASS code is 0
 PASS ename is 'DataError'
+Exception message: The lower key is greater than the upper key.
 Equal keys, either of the bounds is open, bound(4, 4, true, false)
 Expecting exception from IDBKeyRange.bound(4, 4, true, false)
 PASS Exception was thrown.
 PASS code is 0
 PASS ename is 'DataError'
+Exception message: The lower key and upper key are equal and one of the bounds is open.
 Equal keys, either of the bounds is open, bound(4, 4, false, true)
 Expecting exception from IDBKeyRange.bound(4, 4, false, true)
 PASS Exception was thrown.
 PASS code is 0
 PASS ename is 'DataError'
+Exception message: The lower key and upper key are equal and one of the bounds is open.
 Equal keys, either of the bounds is open, bound(4, 4, true, true)
 Expecting exception from IDBKeyRange.bound(4, 4, true, true)
 PASS Exception was thrown.
 PASS code is 0
 PASS ename is 'DataError'
+Exception message: The lower key and upper key are equal and one of the bounds is open.
 Equal keys, none of the bounds is open, bound(4, 4, false, false)
 PASS successfullyParsed is true
 
 TEST COMPLETE