this fixes #418; also remove last chrome API reference from portable code

platform/chromium/vapi-background.js

@@ -19,7 +19,7 @@
     Home: https://github.com/gorhill/uBlock
 */
 
-/* global self */
+/* global self, µBlock */
 
 // For background page
 
@@ -394,6 +394,57 @@ vAPI.lastError = function() {
 
 /******************************************************************************/
 
+// This is called only once, when everything has been loaded in memory after
+// the extension was launched. It can be used to inject content scripts
+// in already opened web pages, to remove whatever nuisance could make it to
+// the web pages before uBlock was ready.
+
+vAPI.onLoadAllCompleted = function() {
+    // http://code.google.com/p/chromium/issues/detail?id=410868#c11
+    // Need to be sure to access `vAPI.lastError()` to prevent
+    // spurious warnings in the console.
+    var scriptDone = function() {
+        vAPI.lastError();
+    };
+    var scriptEnd = function(tabId) {
+        if ( vAPI.lastError() ) {
+            return;
+        }
+        vAPI.tabs.injectScript(tabId, {
+            file: 'js/contentscript-end.js',
+            allFrames: true,
+            runAt: 'document_idle'
+        }, scriptDone);
+    };
+    var scriptStart = function(tabId) {
+        vAPI.tabs.injectScript(tabId, {
+            file: 'js/vapi-client.js',
+            allFrames: true,
+            runAt: 'document_start'
+        }, function(){ });
+        vAPI.tabs.injectScript(tabId, {
+            file: 'js/contentscript-start.js',
+            allFrames: true,
+            runAt: 'document_idle'
+        }, function(){ scriptEnd(tabId); });
+    };
+    var bindToTabs = function(tabs) {
+        var µb = µBlock;
+        var i = tabs.length, tab;
+        while ( i-- ) {
+            tab = tabs[i];
+            µb.bindTabToPageStats(tab.id, tab.url);
+            // https://github.com/gorhill/uBlock/issues/129
+            scriptStart(tab.id);
+        }
+    };
+
+    chrome.tabs.query({ url: 'http://*/*' }, bindToTabs);
+    chrome.tabs.query({ url: 'https://*/*' }, bindToTabs);
+};
+
+/******************************************************************************/
+
 })();
 
 /******************************************************************************/

platform/safari/vapi-background.js

@@ -811,4 +811,14 @@ vAPI.lastError = function() {
 
 /******************************************************************************/
 
+// This is called only once, when everything has been loaded in memory after
+// the extension was launched. It can be used to inject content scripts
+// in already opened web pages, to remove whatever nuisance could make it to
+// the web pages before uBlock was ready.
+
+vAPI.onLoadAllCompleted = function() {
+};
+
+/******************************************************************************/
+
 })();

src/js/storage.js

@@ -212,11 +212,18 @@
         } catch (e) {
             locations = {};
         }
+        var entry;
         for ( location in locations ) {
             if ( locations.hasOwnProperty(location) === false ) {
                 continue;
             }
-            availableLists['assets/thirdparties/' + location] = locations[location];
+            entry = locations[location];
+            // https://github.com/gorhill/uBlock/issues/418
+            // We now support built-in external filter lists
+            if ( /^https?:/.test(location) === false ) {
+                location = 'assets/thirdparties/' + location;
+            }
+            availableLists[location] = entry;
         }
 
         // Now get user's selection of lists
@@ -584,48 +591,7 @@
     // - Initialize internal state with maybe already existing tabs.
     // - Schedule next update operation.
     var onAllDone = function() {
-        if (vAPI.chrome) {
+        vAPI.onLoadAllCompleted();
-            // http://code.google.com/p/chromium/issues/detail?id=410868#c11
-            // Need to be sure to access `vAPI.lastError()` to prevent
-            // spurious warnings in the console.
-            var scriptDone = function() {
-                vAPI.lastError();
-            };
-            var scriptEnd = function(tabId) {
-                if ( vAPI.lastError() ) {
-                    return;
-                }
-                vAPI.tabs.injectScript(tabId, {
-                    file: 'js/contentscript-end.js',
-                    allFrames: true,
-                    runAt: 'document_idle'
-                }, scriptDone);
-            };
-            var scriptStart = function(tabId) {
-                vAPI.tabs.injectScript(tabId, {
-                    file: 'js/vapi-client.js',
-                    allFrames: true,
-                    runAt: 'document_start'
-                }, function(){ });
-                vAPI.tabs.injectScript(tabId, {
-                    file: 'js/contentscript-start.js',
-                    allFrames: true,
-                    runAt: 'document_idle'
-                }, function(){ scriptEnd(tabId); });
-            };
-            var bindToTabs = function(tabs) {
-                var i = tabs.length, tab;
-                while ( i-- ) {
-                    tab = tabs[i];
-                    µb.bindTabToPageStats(tab.id, tab.url);
-                    // https://github.com/gorhill/uBlock/issues/129
-                    scriptStart(tab.id);
-                }
-            };
-
-            chrome.tabs.query({ url: 'http://*/*' }, bindToTabs);
-            chrome.tabs.query({ url: 'https://*/*' }, bindToTabs);
-        }
 
         // https://github.com/gorhill/uBlock/issues/184
         // If we restored a selfie, check for updates not too far