[Devtools] Remove popover on click initiator column

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

Index: third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js
diff --git a/third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js b/third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js
index a354065a19420e673727d30e4b12c63d7d481add..ec8e4e58a8a4859c5edf579f0398e9e1f0acce24 100644
--- a/third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js
+++ b/third_party/WebKit/Source/devtools/front_end/network/NetworkLogView.js
@@ -765,6 +765,13 @@ Network.NetworkLogView = class extends UI.VBox {
     this._columns.wasShown();
   }
 
+  /**
+   * @override
+   */
+  willHide() {
+    this._columns.willHide();
+  }
+
   _refresh() {
     this._needsRefresh = false;