[DevTools] Do not reset storage tree items

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

 var initialize_ResourceTest = function() {
 
 InspectorTest.preloadPanel("sources");
 InspectorTest.preloadPanel("resources");
 
+InspectorTest.createWebSQLDatabase = function(name)
+{
+    return InspectorTest.evaluateInPageAsync(`_openWebSQLDatabase("${name}")`);
+}
+
 InspectorTest.requestURLComparer = function(r1, r2)
 {
     return r1.request.url.localeCompare(r2.request.url);
 }
 
 InspectorTest.runAfterCachedResourcesProcessed = function(callback)
 {
     if (!InspectorTest.resourceTreeModel._cachedResourcesProcessed)
         InspectorTest.resourceTreeModel.addEventListener(SDK.ResourceTreeModel.Events.CachedResourcesLoaded, callback);
     else
@@ skipping 70 matching lines @@
 {
     return InspectorTest.mainTarget.model(Resources.DOMStorageModel);
 }
 
 InspectorTest.indexedDBModel = function()
 {
     return InspectorTest.mainTarget.model(Resources.IndexedDBModel);
 }
 
 }
+
+function _openWebSQLDatabase(name)
+{
+    return new Promise(resolve => openDatabase(name, "1.0", "", 1024 * 1024, resolve));
+}