[IndexedDB] Adding traces, perf tests

chrome/test/data/indexeddb/perf_test.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var overallTestStartTime = window.performance.now();
 var kUseIndex = true;
 var kDontUseIndex = false;
 var kReadKeysOnly = true;
 var kReadDataToo = false;
 var kWriteToo = true;
@@ skipping 75 matching lines @@
 // Walk through many cursors into the same object store, round-robin, until
 // you've reached the end of each of them.
   [testWalkingMultipleCursors, 50],
 // Open an object store cursor, then continue(key) to the last value.
   [testCursorSeeks, 2000, 10, 4, kDontUseIndex],
 // Open an index key cursor, then continue(key) to the last value.
   [testCursorSeeks, 2000, 10, 4, kUseIndex],
 ];
 
 var currentTest = 0;
+var done = false;
 
 function test() {
   runNextTest();
 }
 
+var testFilter;
+
 function runNextTest() {
-  var filter = window.location.hash.slice(1);
+  var filter = testFilter | window.location.hash.slice(1);
   var test, f;
   while (currentTest < tests.length) {
     test = tests[currentTest];
     f = test.shift();
     if (!filter || f.name == filter)
       break;
     ++currentTest;
   }
 
   if (currentTest < tests.length) {
     test.push(runNextTest);
     f.apply(null, test);
     ++currentTest;
   } else {
     onAllTestsComplete();
   }
 }
 
 function onAllTestsComplete() {
   var overallDuration = window.performance.now() - overallTestStartTime;
   automation.addResult("OverallTestDuration", overallDuration);
   automation.setDone();
+  done = true;
 }
 
 // This is the only test that includes database creation and deletion in its
 // results; the others just test specific operations.  To see only the
 // creation/deletion without the specific operations used to build up the data
 // in the object stores here, subtract off the results of
 // testCreateKeysInStores.
 function testCreateAndDeleteDatabase(
     numKeys, numStores, payloadLength, onTestComplete) {
   var testName = getDisplayName(arguments);
@@ skipping 444 matching lines @@
     request.onerror = onError;
     request.onsuccess = function() {
       var cursor = request.result;
       if (cursor && first) {
         first = false;
         cursor.continue(getKey(numKeys - 1));
       }
     };
   }
 }