Issue 6191 - Update frame structure for Chrome Web Store pages

ext/background.js

Index: ext/background.js
===================================================================
--- a/ext/background.js
+++ b/ext/background.js
@@ -258,20 +258,24 @@
   {types: ["main_frame", "sub_frame"], urls: ["http://*/*", "https://*/*"]},
   ["responseHeaders"]);
 
   browser.webNavigation.onBeforeNavigate.addListener(details =>
   {
     // Since we can only listen for HTTP(S) responses using
     // webRequest.onHeadersReceived we must update the page structure here for
     // other navigations.
-    let url = new URL(details.url);
-    if (url.protocol != "http:" && url.protocol != "https:")
+    let {url} = details;
+    if (!url.startsWith("http:") &&
+        (!url.startsWith("https:") ||
+         // Chrome doesn't dispatch webRequest.onHeadersReceived
+         // for Web Store URLs.
+         url.startsWith("https://chrome.google.com/webstore/")))
     {
-      updatePageFrameStructure(details.frameId, details.tabId, details.url,
+      updatePageFrameStructure(details.frameId, details.tabId, url,
                                details.parentFrameId);
     }
   });
 
   function forgetTab(tabId)
   {
     ext.pages.onRemoved._dispatch(tabId);