DevTools: brush up paint marker rendering, sort experiments, restore event markers on the overview.

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

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2007 Matt Lilek (pewtermoose@gmail.com).
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 72 matching lines @@
         InspectorFrontendHost.clearPreferences, storagePrefix);
     Common.settings = new Common.Settings(globalStorage, localStorage);
     if (!Host.isUnderTest(prefs))
       new Common.VersionController().updateVersion();
   }
 
   /**
    * @param {!Object<string, string>} prefs
    */
   _initializeExperiments(prefs) {
+    // Keep this sorted alphabetically: both keys and values.
     Runtime.experiments.register('accessibilityInspection', 'Accessibility Inspection');
     Runtime.experiments.register('applyCustomStylesheet', 'Allow custom UI themes');
     Runtime.experiments.register('audits2', 'Audits 2.0', true);
     Runtime.experiments.register('autoAttachToCrossProcessSubframes', 'Auto-attach to cross-process subframes', true);
     Runtime.experiments.register('blackboxJSFramesOnTimeline', 'Blackbox JavaScript frames on Timeline', true);
     Runtime.experiments.register('changesDrawer', 'Changes drawer', true);
+    Runtime.experiments.register('colorContrastRatio', 'Color contrast ratio line in color picker', true);
     Runtime.experiments.register('continueToLocationMarkers', 'Continue to location markers', true);
-    Runtime.experiments.register('colorContrastRatio', 'Contrast ratio line in color picker', true);
     Runtime.experiments.register('emptySourceMapAutoStepping', 'Empty sourcemap auto-stepping');
     Runtime.experiments.register('inputEventsOnTimelineOverview', 'Input events on Timeline overview', true);
     Runtime.experiments.register('liveSASS', 'Live SASS');
     Runtime.experiments.register('networkGroupingRequests', 'Network request groups support', true);
     Runtime.experiments.register('objectPreviews', 'Object previews', true);
     Runtime.experiments.register('persistence2', 'Persistence 2.0');
-    Runtime.experiments.register('persistenceValidation', 'Validate persistence bindings');
-    Runtime.experiments.register('timelineShowAllEvents', 'Show all events on Timeline', true);
-    Runtime.experiments.register('timelineShowAllProcesses', 'Show all processes on Timeline', true);
-    Runtime.experiments.register('timelinePaintTimingMarkers', 'Show paint timing markers on Timeline', true);
+    Runtime.experiments.register('persistenceValidation', 'Persistence validation');
     Runtime.experiments.register('sourceDiff', 'Source diff');
-    Runtime.experiments.register('timelineEventInitiators', 'Timeline event initiators');
-    Runtime.experiments.register('timelineFlowEvents', 'Timeline flow events', true);
     Runtime.experiments.register('terminalInDrawer', 'Terminal in drawer', true);
-    Runtime.experiments.register('timelineInvalidationTracking', 'Timeline invalidation tracking', true);
-    Runtime.experiments.register('timelineMultipleMainViews', 'Tabbed views on Performance panel');
-    Runtime.experiments.register('timelineTracingJSProfile', 'Timeline tracing based JS profiler', true);
-    Runtime.experiments.register('timelineV8RuntimeCallStats', 'V8 Runtime Call Stats on Timeline', true);
-    Runtime.experiments.register('timelinePerFrameTrack', 'Show track per frame on Timeline', true);
+
+    // Timeline
+    Runtime.experiments.register('timelineEventInitiators', 'Timeline: event initiators');
+    Runtime.experiments.register('timelineFlowEvents', 'Timeline: flow events', true);
+    Runtime.experiments.register('timelineInvalidationTracking', 'Timeline: invalidation tracking', true);
+    Runtime.experiments.register('timelineMultipleMainViews', 'Timeline: multiple main views');
+    Runtime.experiments.register('timelinePaintTimingMarkers', 'Timeline: paint timing markers', true);
+    Runtime.experiments.register('timelinePerFrameTrack', 'Timeline: per-frame tracks', true);
+    Runtime.experiments.register('timelineShowAllEvents', 'Timeline: show all events', true);
+    Runtime.experiments.register('timelineShowAllProcesses', 'Timeline: show all processes', true);
+    Runtime.experiments.register('timelineTracingJSProfile', 'Timeline: tracing based JS profiler', true);
+    Runtime.experiments.register('timelineV8RuntimeCallStats', 'Timeline: V8 Runtime Call Stats on Timeline', true);
 
     Runtime.experiments.cleanUpStaleExperiments();
 
     if (Host.isUnderTest(prefs)) {
       var testPath = JSON.parse(prefs['testPath'] || '""');
       // Enable experiments for testing.
       if (testPath.indexOf('accessibility/') !== -1)
         Runtime.experiments.enableForTest('accessibilityInspection');
       if (testPath.indexOf('coverage') !== -1)
         Runtime.experiments.enableForTest('cssTrackerPanel');
@@ skipping 844 matching lines @@
    * @override
    * @return {?Element}
    */
   settingElement() {
     return UI.SettingsUI.createSettingCheckbox(
         Common.UIString('Show rulers'), Common.moduleSetting('showMetricsRulers'));
   }
 };
 
 new Main.Main();