DevTools: Enable Timeline landing page experiment by default

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

Index: third_party/WebKit/Source/devtools/front_end/main/Main.js
diff --git a/third_party/WebKit/Source/devtools/front_end/main/Main.js b/third_party/WebKit/Source/devtools/front_end/main/Main.js
index 23566a3bb68f9fe665f63e11fb226ee889a27c7d..3882979019e44355478d4850b184c4160af1cf8c 100644
--- a/third_party/WebKit/Source/devtools/front_end/main/Main.js
+++ b/third_party/WebKit/Source/devtools/front_end/main/Main.js
@@ -111,7 +111,7 @@ Main.Main = class {
     Runtime.experiments.register('sourceDiff', 'Source diff');
     Runtime.experiments.register('terminalInDrawer', 'Terminal in drawer', true);
     Runtime.experiments.register('timelineInvalidationTracking', 'Timeline invalidation tracking', true);
-    Runtime.experiments.register('timelineLandingPage', 'Timeline landing page', true);
+    Runtime.experiments.register('timelineLandingPage', 'Timeline landing page');
     Runtime.experiments.register('timelineRecordingPerspectives', 'Timeline recording perspectives UI');
     Runtime.experiments.register('timelineTracingJSProfile', 'Timeline tracing based JS profiler', true);
     Runtime.experiments.register('timelineV8RuntimeCallStats', 'V8 Runtime Call Stats on Timeline', true);
@@ -127,7 +127,8 @@ Main.Main = class {
         Runtime.experiments.enableForTest('accessibilityInspection');
     }
 
-    Runtime.experiments.setDefaultExperiments(['timelineRecordingPerspectives', 'persistenceValidation']);
+    Runtime.experiments.setDefaultExperiments(
+        ['timelineLandingPage', 'timelineRecordingPerspectives', 'persistenceValidation']);
   }
 
   /**