add mitigation for #912

src/js/background.js

@@ -101,6 +101,7 @@ var requestStatsFactory = function() {
 */
 
 var rawSettingsDefault = {
+    disableCSPReportInjection: false,
     placeholderBackground:
         [
             'url("data:image/png;base64,',

src/js/storage.js

@@ -126,6 +126,8 @@
                 value = true;
             } else if ( value === 'false' ) {
                 value = false;
+            } else {
+                value = this.rawSettingsDefault[name];
             }
             break;
         case 'string':

src/js/traffic.js

@@ -322,7 +322,7 @@ var onHeadersReceived = function(details) {
 
     if ( µm.tMatrix.evaluateSwitchZ('no-workers', rootHostname) ) {
         csp.push(µm.cspNoWorker);
-    } else {
+    } else if ( µm.rawSettings.disableCSPReportInjection === false ) {
         cspReport.push(µm.cspNoWorker);
     }