DevTools: Nuke Timeline extension api

Source/devtools/front_end/extensions/ExtensionAPI.js

Index: Source/devtools/front_end/extensions/ExtensionAPI.js
diff --git a/Source/devtools/front_end/extensions/ExtensionAPI.js b/Source/devtools/front_end/extensions/ExtensionAPI.js
index 419be055720e1bcea63761bcbef9b6b0ef5a7548..ebd8fd2a201ba60514c333bc6a8698f75df13f45 100644
--- a/Source/devtools/front_end/extensions/ExtensionAPI.js
+++ b/Source/devtools/front_end/extensions/ExtensionAPI.js
@@ -66,7 +66,6 @@ function defineCommonExtensionSymbols(apiPrivate)
         PanelSearch: "panel-search-",
         ResourceAdded: "resource-added",
         ResourceContentCommitted: "resource-content-committed",
-        TimelineEventRecorded: "timeline-event-recorded",
         ViewShown: "view-shown-",
         ViewHidden: "view-hidden-"
     };
@@ -189,7 +188,6 @@ function InspectorExtensionAPI()
     this.panels = new Panels();
     this.network = new Network();
     defineDeprecatedProperty(this, "webInspector", "resources", "network");
-    this.timeline = new Timeline();
     this.console = new ConsoleAPI();
 }
 
@@ -442,7 +440,6 @@ var ExtensionSidebarPane = declareInterfaceClass(ExtensionSidebarPaneImpl);
 var PanelWithSidebar = declareInterfaceClass(PanelWithSidebarImpl);
 var Request = declareInterfaceClass(RequestImpl);
 var Resource = declareInterfaceClass(ResourceImpl);
-var Timeline = declareInterfaceClass(TimelineImpl);
 
 /**
  * @constructor
@@ -837,14 +834,6 @@ ResourceImpl.prototype = {
     }
 }
 
-/**
- * @constructor
- */
-function TimelineImpl()
-{
-    this.onEventRecorded = new EventSink(events.TimelineEventRecorded);
-}
-
 var keyboardEventRequestQueue = [];
 var forwardTimer = null;