Revert of Revert of DevTools: Introduce module initializers

Source/devtools/front_end/timeline/module.json

Index: Source/devtools/front_end/timeline/module.json
diff --git a/Source/devtools/front_end/timeline/module.json b/Source/devtools/front_end/timeline/module.json
index b9f20de80fac6843c772bb584ff650b8e5c3b1ed..2ef1dcbd730eb78eef8ddaf0d82fd702c5ed2ed6 100644
--- a/Source/devtools/front_end/timeline/module.json
+++ b/Source/devtools/front_end/timeline/module.json
@@ -8,5 +8,32 @@
             "className": "WebInspector.TimelinePanel"
         }
     ],
-    "scripts": [ "TimelinePanel.js" ]
+    "scripts": [
+        "CountersGraph.js",
+        "Layers3DView.js",
+        "MemoryCountersGraph.js",
+        "TimelineModel.js",
+        "TimelineModelImpl.js",
+        "TimelineJSProfile.js",
+        "TimelineOverviewPane.js",
+        "TimelinePresentationModel.js",
+        "TracingTimelineModel.js",
+        "TimelineFrameModel.js",
+        "TimelineEventOverview.js",
+        "TimelineFrameOverview.js",
+        "TimelineMemoryOverview.js",
+        "TimelinePowerGraph.js",
+        "TimelinePowerOverview.js",
+        "TimelineFlameChart.js",
+        "TimelineUIUtils.js",
+        "TimelineUIUtilsImpl.js",
+        "TimelineView.js",
+        "TimelineLayersView.js",
+        "TimelinePaintProfilerView.js",
+        "TracingModel.js",
+        "TracingTimelineUIUtils.js",
+        "TransformController.js",
+        "PaintProfilerView.js",
+        "TimelinePanel.js"
+    ]
 }