Added a refresh database button on the IndexedDB view.

third_party/WebKit/LayoutTests/http/tests/inspector/indexeddb/indexeddb-test.js

 var initialize_IndexedDBTest = function() {
 InspectorTest.preloadPanel("resources");
 
 InspectorTest.dumpIndexedDBTree = function()
 {
     InspectorTest.addResult("Dumping IndexedDB tree:");
     var indexedDBTreeElement = UI.panels.resources._sidebar.indexedDBListTreeElement;
     if (!indexedDBTreeElement.childCount()) {
         InspectorTest.addResult("    (empty)");
         return;
     }
     for (var i = 0; i < indexedDBTreeElement.childCount(); ++i) {
         var databaseTreeElement = indexedDBTreeElement.childAt(i);
         InspectorTest.addResult("    database: " + databaseTreeElement.title);
         if (!databaseTreeElement.childCount()) {
             InspectorTest.addResult("        (no object stores)");
             continue;
         }
         for (var j = 0; j < databaseTreeElement.childCount(); ++j) {
             var objectStoreTreeElement = databaseTreeElement.childAt(j);
             InspectorTest.addResult("        Object store: " + objectStoreTreeElement.title);
             if (!objectStoreTreeElement.childCount()) {
                 InspectorTest.addResult("            (no indexes)");
                 continue;
             }
-            for (var j = 0; j < objectStoreTreeElement.childCount(); ++j) {
-                var indexTreeElement = objectStoreTreeElement.childAt(j);
+            for (var k = 0; k < objectStoreTreeElement.childCount(); ++k) {
+                var indexTreeElement = objectStoreTreeElement.childAt(k);
                 InspectorTest.addResult("            Index: " + indexTreeElement.title);
             }
         }
     }
 }
 
 var lastCallbackId = 0;
 var callbacks = {};
 var callbackIdPrefix = "InspectorTest.IndexedDB_callback";
 InspectorTest.evaluateWithCallback = function(frameId, methodName, parameters, callback)
@@ skipping 215 matching lines @@
     {
         var request;
         if (key)
             request = objectStore.add(value, key);
         else
             request = objectStore.add(value);
         request.onerror = onIndexedDBError;
         request.onsuccess = commitCallback;
     }
 }