Merge 131658 - IndexedDB: Enforce unsigned long/unsigned long long ranges

LayoutTests/storage/indexeddb/resources/intversion-encoding.js

 if (this.importScripts) {
     importScripts('../../../fast/js/resources/js-test-pre.js');
     importScripts('shared.js');
 }
 
 description("Test that integer versions are encoded/decoded consistently.");
 
 versions = [1,
             0x7f,
             0x80,
             0x80000000,
-            9007199254740992]; // 2^53, maximum JavaScript integer.
+            9007199254740991]; // 2^53-1, maximum JavaScript integer.
 
 function test()
 {
     removeVendorPrefixes();
     setDBNameFromPath();
     request = evalAndLog("indexedDB.deleteDatabase(dbname)");
     request.onblocked = unexpectedBlockedCallback;
     request.onerror = unexpectedErrorCallback;
     request.onsuccess = openFirstTime;
 }
@@ skipping 33 matching lines @@
     request.onupgradeneeded = unexpectedUpgradeNeededCallback;
     request.onsuccess = function() {
         evalAndLog("db = request.result");
         shouldBe("db.version", "version");
         evalAndLog("db.close()");
         openFirstTime();
     };
 }
 
 test();