DevTools: do not show compiled script while source maps are being loaded.

LayoutTests/http/tests/inspector/workspace-test.js

 var initialize_WorkspaceTest = function() {
 
 InspectorTest.createWorkspace = function(ignoreEvents)
 {
     WebInspector.settings.createSetting("fileSystemMapping", {}).set({});
     InspectorTest.testFileSystemMapping = new WebInspector.FileSystemMapping();
     InspectorTest.testFileSystemMapping._fileSystemMappingSetting = new InspectorTest.MockSetting({});
     InspectorTest.testFileSystemMapping._excludedFoldersSetting = new InspectorTest.MockSetting({});
 
     InspectorTest.testTargetManager = new WebInspector.TargetManager();
     InspectorTest.testWorkspace = new WebInspector.Workspace(InspectorTest.testFileSystemMapping);
     InspectorTest.testNetworkWorkspaceBinding = new WebInspector.NetworkWorkspaceBinding(InspectorTest.testWorkspace);
     InspectorTest.testDebuggerWorkspaceBinding = new WebInspector.DebuggerWorkspaceBinding(InspectorTest.testTargetManager, InspectorTest.testWorkspace, InspectorTest.testNetworkWorkspaceBinding);
     if (ignoreEvents)
         return;
     InspectorTest.testWorkspace.addEventListener(WebInspector.Workspace.Events.UISourceCodeAdded, InspectorTest._defaultWorkspaceEventHandler);
     InspectorTest.testWorkspace.addEventListener(WebInspector.Workspace.Events.UISourceCodeRemoved, InspectorTest._defaultWorkspaceEventHandler);
 }
 
-InspectorTest.waitForWorkspaceUISourceCodeAddedEvent = function(callback, count)
+InspectorTest.waitForWorkspaceUISourceCodeAddedEvent = function(callback, count, projectType)
 {
     InspectorTest.uiSourceCodeAddedEventsLeft = count || 1;
     InspectorTest.testWorkspace.removeEventListener(WebInspector.Workspace.Events.UISourceCodeAdded, InspectorTest._defaultWorkspaceEventHandler);
     InspectorTest.testWorkspace.addEventListener(WebInspector.Workspace.Events.UISourceCodeAdded, uiSourceCodeAdded);
 
     function uiSourceCodeAdded(event)
     {
+        if (projectType && event.data.project().type() !== projectType)
+            return;
+        if (!projectType && event.data.project().type() === WebInspector.projectTypes.Service)
+            return;
         if (!(--InspectorTest.uiSourceCodeAddedEventsLeft)) {
             InspectorTest.testWorkspace.removeEventListener(WebInspector.Workspace.Events.UISourceCodeAdded, uiSourceCodeAdded);
             InspectorTest.testWorkspace.addEventListener(WebInspector.Workspace.Events.UISourceCodeAdded, InspectorTest._defaultWorkspaceEventHandler);
         }
         callback(event.data);
     }
 }
 
 InspectorTest.waitForWorkspaceUISourceCodeRemovedEvent = function(callback, count)
 {
     InspectorTest.uiSourceCodeRemovedEventsLeft = count || 1;
     InspectorTest.testWorkspace.removeEventListener(WebInspector.Workspace.Events.UISourceCodeRemoved, InspectorTest._defaultWorkspaceEventHandler);
-    InspectorTest.testWorkspace.addEventListener(WebInspector.Workspace.Events.UISourceCodeRemoved, uiSourceCodeAdded);
+    InspectorTest.testWorkspace.addEventListener(WebInspector.Workspace.Events.UISourceCodeRemoved, uiSourceCodeRemoved);
 
-    function uiSourceCodeAdded(event)
+    function uiSourceCodeRemoved(event)
     {
+        if (event.data.project().type() === WebInspector.projectTypes.Service)
+            return;
         if (!(--InspectorTest.uiSourceCodeRemovedEventsLeft)) {
-            InspectorTest.testWorkspace.removeEventListener(WebInspector.Workspace.Events.UISourceCodeRemoved, uiSourceCodeAdded);
+            InspectorTest.testWorkspace.removeEventListener(WebInspector.Workspace.Events.UISourceCodeRemoved, uiSourceCodeRemoved);
             InspectorTest.testWorkspace.addEventListener(WebInspector.Workspace.Events.UISourceCodeRemoved, InspectorTest._defaultWorkspaceEventHandler);
         }
         callback(event.data);
     }
 }
 
 InspectorTest.addMockUISourceCodeToWorkspace = function(url, type, content)
 {
     var mockContentProvider = new WebInspector.StaticContentProvider(type, content);
     InspectorTest.testNetworkWorkspaceBinding.addFileForURL(url, mockContentProvider);
 }
 
 InspectorTest._defaultWorkspaceEventHandler = function(event)
 {
     var uiSourceCode = event.data;
     if (uiSourceCode.project().type() === WebInspector.projectTypes.Debugger && !uiSourceCode.url)
         return;
+    if (uiSourceCode.project().type() === WebInspector.projectTypes.Service)
+        return;
     throw new Error("Unexpected Workspace event: " + event.type + ": " + uiSourceCode.uri() + ".");
 }
 
 InspectorTest.uiSourceCodeURL = function(uiSourceCode)
 {
     return uiSourceCode.originURL().replace(/.*LayoutTests/, "LayoutTests");
 }
 
 InspectorTest.dumpUISourceCode = function(uiSourceCode, callback)
 {
     InspectorTest.addResult("UISourceCode: " + InspectorTest.uiSourceCodeURL(uiSourceCode));
     if (uiSourceCode.contentType() === WebInspector.resourceTypes.Script || uiSourceCode.contentType() === WebInspector.resourceTypes.Document)
         InspectorTest.addResult("UISourceCode is content script: " + (uiSourceCode.project().type() === WebInspector.projectTypes.ContentScripts));
     uiSourceCode.requestContent(didRequestContent);
 
     function didRequestContent(content, contentEncoded)
     {
         InspectorTest.addResult("Highlighter type: " + WebInspector.SourcesView.uiSourceCodeHighlighterType(uiSourceCode));
         InspectorTest.addResult("UISourceCode content: " + content);
         callback();
     }
 }
 
 };