Add a lazy shim for ReactPerf

This prevents a circular dependency between ReactGKJSModule and ReactDOM

Author: gaearon

scripts/rollup/forwarding/ReactPerf.js

@@ -7,13 +7,64 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactPerf
- * @flow
  */
 
 'use strict';
 
-const {
-  __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED,
-} = require('ReactDOM');
+// There is a cyclical dependency between ReactGK and
+// this module. Add an indirection to delay it.
+// We will remove this anyway.
 
-module.exports = __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED.ReactPerf;
+function getReactPerf() {
+  const {
+    __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED,
+  } = require('ReactDOM');
+  return __SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED.ReactPerf;
+}
+
+const LazyReactPerf = {
+  getLastMeasurements(...args) {
+    return getReactPerf().getLastMeasurements(...args);
+  },
+  getExclusive(...args) {
+    return getReactPerf().getExclusive(...args);
+  },
+  getInclusive(...args) {
+    return getReactPerf().getInclusive(...args);
+  },
+  getWasted(...args) {
+    return getReactPerf().getWasted(...args);
+  },
+  getOperations(...args) {
+    return getReactPerf().getOperations(...args);
+  },
+  printExclusive(...args) {
+    return getReactPerf().printExclusive(...args);
+  },
+  printInclusive(...args) {
+    return getReactPerf().printInclusive(...args);
+  },
+  printWasted(...args) {
+    return getReactPerf().printWasted(...args);
+  },
+  printOperations(...args) {
+    return getReactPerf().printOperations(...args);
+  },
+  start() {
+    return getReactPerf().start();
+  },
+  stop() {
+    return getReactPerf().stop();
+  },
+  isRunning(...args) {
+    return getReactPerf().isRunning(...args);
+  },
+  printDOM(...args) {
+    return getReactPerf().printDOM(...args);
+  },
+  getMeasurementsSummaryMap(...args) {
+    return getReactPerf().getMeasurementsSummaryMap(...args);
+  },
+};
+
+module.exports = LazyReactPerf;