Disable request initiator panel in NetworkItemView (#185)

Author: huntie

front_end/panels/network/NetworkItemView.ts

@@ -31,6 +31,7 @@
 import * as Common from '../../core/common/common.js';
 import * as i18n from '../../core/i18n/i18n.js';
 import * as Platform from '../../core/platform/platform.js';
+import * as Root from '../../core/root/root.js';
 import * as SDK from '../../core/sdk/sdk.js';
 import * as NetworkForward from '../../panels/network/forward/forward.js';
 import * as IconButton from '../../ui/components/icon_button/icon_button.js';
@@ -150,11 +151,18 @@ export class NetworkItemView extends UI.TabbedPane.TabbedPane {
   private readonly responseView: RequestResponseView|undefined;
   private cookiesView: RequestCookiesView|null;
   private initialTab?: NetworkForward.UIRequestLocation.UIRequestTabs;
+  private readonly isReactNative: boolean = false;
 
   constructor(
       request: SDK.NetworkRequest.NetworkRequest, calculator: NetworkTimeCalculator,
       initialTab?: NetworkForward.UIRequestLocation.UIRequestTabs) {
     super();
+
+    // [RN] Used to scope down available features for React Native targets
+    this.isReactNative = Root.Runtime.experiments.isEnabled(
+      Root.Runtime.ExperimentName.REACT_NATIVE_SPECIFIC_UI,
+    );
+
     this.requestInternal = request;
     this.element.classList.add('network-item-view');
     this.headerElement().setAttribute('jslog', `${VisualLogging.toolbar('request-details').track({
@@ -222,9 +230,11 @@ export class NetworkItemView extends UI.TabbedPane.TabbedPane {
       }
     }
 
-    this.appendTab(
-        NetworkForward.UIRequestLocation.UIRequestTabs.INITIATOR, i18nString(UIStrings.initiator),
-        new RequestInitiatorView(request), i18nString(UIStrings.requestInitiatorCallStack));
+    if (!this.isReactNative) {
+      this.appendTab(
+          NetworkForward.UIRequestLocation.UIRequestTabs.INITIATOR, i18nString(UIStrings.initiator),
+          new RequestInitiatorView(request), i18nString(UIStrings.requestInitiatorCallStack));
+    }
 
     this.appendTab(
         NetworkForward.UIRequestLocation.UIRequestTabs.TIMING, i18nString(UIStrings.timing),