Merge branch 'stable-3.0' into stable-3.1

* stable-3.0:
  Error Prone: Enable and fix ClassCanBeStatic
  AutoRegisterModulesTest: Declare inner classes as static
  Fix issue with auto registering ssh commands
  Convert plugin's name to lowercase when generate hook name

Adjust AutoRegisterModulesTest to use mockito instead of easymock.

Change-Id: Id80ecd921cd4993b797708bf2dc3863a1ec45d9b

polygerrit-ui/app/elements/plugins/gr-dom-hooks/gr-dom-hooks.js

@@ -27,7 +27,12 @@
     if (opt_moduleName) {
       return endpointName + ' ' + opt_moduleName;
     } else {
-      return this._plugin.getPluginName() + '-autogenerated-' + endpointName;
+      // lowercase in case plugin's name contains uppercase letters
+      // TODO: this still can not prevent if plugin has invalid char
+      // other than uppercase, but is the first step
+      // https://html.spec.whatwg.org/multipage/custom-elements.html#valid-custom-element-name
+      const pluginName = this._plugin.getPluginName() || 'unknown_plugin';
+      return pluginName.toLowerCase() + '-autogenerated-' + endpointName;
     }
   };