gorhill · Sep 7, 2020
diff --git a/‎platform/chromium/vapi-background.js
+18-5 b/‎platform/chromium/vapi-background.js
+18-5
diff --git a/‎platform/chromium/vapi-client.js
+5-3 b/‎platform/chromium/vapi-client.js
+5-3
diff --git a/‎src/js/background.js
+2-2 b/‎src/js/background.js
+2-2
@@ -56,6 +56,16 @@ window.addEventListener('webextFlavor', function() {
 
 /******************************************************************************/
 
+vAPI.randomToken = function() {
+    const n = Math.random();
+    return String.fromCharCode(n * 26 + 97) +
+        Math.floor(
+            (0.25 + n * 0.75) * Number.MAX_SAFE_INTEGER
+        ).toString(36).slice(-8);
+};
+
+/******************************************************************************/
+
 vAPI.app = {
     name: manifest.name.replace(/ dev\w+ build/, ''),
     version: (( ) => {
@@ -339,7 +349,10 @@ vAPI.Tabs = class {
         return tabs.length !== 0 ? tabs[0] : null;
     }
 
-    async insertCSS() {
+    async insertCSS(tabId, details) {
+        if ( vAPI.supportsUserStylesheets ) {
+            details.cssOrigin = 'user';
+        }
         try {
             await webext.tabs.insertCSS(...arguments);
         }
@@ -357,7 +370,10 @@ vAPI.Tabs = class {
         return Array.isArray(tabs) ? tabs : [];
     }
 
-    async removeCSS() {
+    async removeCSS(tabId, details) {
+        if ( vAPI.supportsUserStylesheets ) {
+            details.cssOrigin = 'user';
+        }
         try {
             await webext.tabs.removeCSS(...arguments);
         }
@@ -1003,9 +1019,6 @@ vAPI.messaging = {
                 frameId: sender.frameId,
                 matchAboutBlank: true
             };
-            if ( vAPI.supportsUserStylesheets ) {
-                details.cssOrigin = 'user';
-            }
             if ( msg.add ) {
                 details.runAt = 'document_start';
             }
 
@@ -39,9 +39,11 @@ if (
 /******************************************************************************/
 
 vAPI.randomToken = function() {
-    const now = Date.now();
-    return String.fromCharCode(now % 26 + 97) +
-           Math.floor((1 + Math.random()) * now).toString(36);
+    const n = Math.random();
+    return String.fromCharCode(n * 26 + 97) +
+        Math.floor(
+            (0.25 + n * 0.75) * Number.MAX_SAFE_INTEGER
+        ).toString(36).slice(-8);
 };
 
 vAPI.sessionId = vAPI.randomToken();
 
@@ -138,8 +138,8 @@ const µBlock = (( ) => { // jshint ignore:line
 
         // Read-only
         systemSettings: {
-            compiledMagic: 28,  // Increase when compiled format changes
-            selfieMagic: 28,    // Increase when selfie format changes
+            compiledMagic: 29,  // Increase when compiled format changes
+            selfieMagic: 29,    // Increase when selfie format changes
         },
 
         // https://github.com/uBlockOrigin/uBlock-issues/issues/759#issuecomment-546654501