[Devtools] Added default width to canvas timeline in network panel exp

third_party/WebKit/Source/devtools/front_end/network/NetworkLogViewColumns.js

Index: third_party/WebKit/Source/devtools/front_end/network/NetworkLogViewColumns.js
diff --git a/third_party/WebKit/Source/devtools/front_end/network/NetworkLogViewColumns.js b/third_party/WebKit/Source/devtools/front_end/network/NetworkLogViewColumns.js
index 3a8b8c3cbd30a9e55703ba50c1d48b34bc902ddb..a7538aaaa3554853acfcb43080b70e4319374ba2 100644
--- a/third_party/WebKit/Source/devtools/front_end/network/NetworkLogViewColumns.js
+++ b/third_party/WebKit/Source/devtools/front_end/network/NetworkLogViewColumns.js
@@ -452,8 +452,8 @@ WebInspector.NetworkLogViewColumns.prototype = {
         this._dataGrid.markColumnAsSortedBy(WebInspector.NetworkLogViewColumns._initialSortColumn, WebInspector.DataGrid.Order.Ascending);
 
         if (Runtime.experiments.isEnabled("canvasNetworkTimeline")) {
-            this._splitWidget = new WebInspector.SplitWidget(true, false, "networkPanelSplitViewTimeline");
-            this._splitWidget.setSidebarWidget(this._dataGrid.asWidget());
+            this._splitWidget = new WebInspector.SplitWidget(true, true, "networkPanelSplitViewTimeline", 200);
+            this._splitWidget.setMainWidget(this._dataGrid.asWidget());
         }
     },
 
@@ -482,7 +482,7 @@ WebInspector.NetworkLogViewColumns.prototype = {
         this._createTimelineHeader();
         this._timelineColumn.contentElement.classList.add("network-timeline-view");
 
-        this._splitWidget.setMainWidget(this._timelineColumn);
+        this._splitWidget.setSidebarWidget(this._timelineColumn);
 
         this.switchViewMode(false);