[DevTools] Run tests only after all UI bits are initialized.

Tests use WebInspector.panels, which are initialized only in presentUI.

BUG=397648

Review URL: https://codereview.chromium.org/426553003

git-svn-id: svn://svn.chromium.org/blink/trunk@179146 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/devtools/front_end/Tests.js

@@ -885,12 +885,7 @@ function runTests()
         new TestSuite().runTest(name);
 }
 
-var oldLoadCompleted = InspectorFrontendAPI.loadCompleted;
-InspectorFrontendAPI.loadCompleted = function()
-{
-    oldLoadCompleted.call(InspectorFrontendAPI);
-    runTests();
-}
+WebInspector.notifications.addEventListener(WebInspector.NotificationService.Events.InspectorUILoadedForTests, runTests);
 
 })();
 

third_party/WebKit/Source/devtools/front_end/common/NotificationService.js

@@ -15,7 +15,7 @@ WebInspector.NotificationService.prototype = {
 }
 
 WebInspector.NotificationService.Events = {
-    InspectorLoaded: "InspectorLoaded",
+    InspectorUILoadedForTests: "InspectorUILoadedForTests",
     SelectedNodeChanged: "SelectedNodeChanged"
 }
 

third_party/WebKit/Source/devtools/front_end/common/WebInspector.js

@@ -8,10 +8,6 @@ self.WebInspector = {
     _queryParamsObject: {}
 }
 
-WebInspector.Events = {
-    InspectorLoaded: "InspectorLoaded"
-}
-
 /**
  * @param {string} name
  * @return {?string}

third_party/WebKit/Source/devtools/front_end/main/Main.js

@@ -374,6 +374,7 @@ WebInspector.Main.prototype = {
             console.timeStamp("Main.inspectorAgentEnableCallback");
             WebInspector.app.presentUI(mainTarget);
             console.timeStamp("Main.inspectorAgentEnableCallbackPresentUI");
+            WebInspector.notifications.dispatchEventToListeners(WebInspector.NotificationService.Events.InspectorUILoadedForTests);
         }
 
         WebInspector.actionRegistry = new WebInspector.ActionRegistry();
@@ -384,7 +385,6 @@ WebInspector.Main.prototype = {
 
         this._loadCompletedForWorkers();
         InspectorFrontendAPI.loadCompleted();
-        WebInspector.notifications.dispatchEventToListeners(WebInspector.NotificationService.Events.InspectorLoaded);
     },
 
     _registerForwardedShortcuts: function()