DevTools: Fix Network panel warning icon display when offline/throttled

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

Index: third_party/WebKit/Source/devtools/front_end/network/NetworkPanel.js
diff --git a/third_party/WebKit/Source/devtools/front_end/network/NetworkPanel.js b/third_party/WebKit/Source/devtools/front_end/network/NetworkPanel.js
index 216eab839503967fa60da64b88da2dbaaacb6bbe..79922acaeba41c74c460120c1a117114d0be3507 100644
--- a/third_party/WebKit/Source/devtools/front_end/network/NetworkPanel.js
+++ b/third_party/WebKit/Source/devtools/front_end/network/NetworkPanel.js
@@ -115,6 +115,8 @@ Network.NetworkPanel = class extends UI.Panel {
     blockedURLsSetting.addChangeListener(updateIconVisibility.bind(this));
     var requestBlockingEnabledSetting = Common.moduleSetting('requestBlockingEnabled');
     requestBlockingEnabledSetting.addChangeListener(updateIconVisibility.bind(this));
+    SDK.multitargetNetworkManager.addEventListener(
+        SDK.MultitargetNetworkManager.Events.ConditionsChanged, updateIconVisibility.bind(this));
 
     updateIconVisibility.call(this);