Currently, ReactEventListener is a DOM-specific module but it has a generic sounding name that is confusing to contributors (i.e., confusing to me).

Let's rename it to ReactDOMEventListener. This should be pretty easy – just rename the file and update (and re-sort) the imports.

# @philipp-spiess is working on this task.
} else if (dependency === 'topCancel') {
          if (isEventSupported('cancel', true)) {
            ReactBrowserEventEmitter.ReactEventListener.trapCapturedEvent(
              'topCancel',
              'cancel',
              mountAt,
            );
          }
          isListening.topCancel = true;
        } else if (dependency === 'topClose') {
          if (isEventSupported('close', true)) {
            ReactBrowserEventEmitter.ReactEventListener.trapCapturedEvent(
              'topClose',
              'close',
              mountAt,
            );
          }
          isListening.topClose = true;
        } else if (topLevelTypes.hasOwnProperty(dependency)) {
          ReactBrowserEventEmitter.ReactEventListener.trapBubbledEvent(
            dependency,
            topLevelTypes[dependency],
            mountAt,
          );
        }
        isListening[dependency] = true;
      }
    }
  },
  isListeningToAllDependencies: function(registrationName, mountAt) {