Strip dev only modules

Summary: public

Make sure some modules that are only available in dev mode are only
included in dev bundles.

Depends on: D2663838

Reviewed By: davidaurelio

Differential Revision: D2663889

fb-gh-sync-id: 42be40b865ef305828b3519556125af090ec61f4

Libraries/JavaScriptAppEngine/Initialization/InitializeJavaScriptAppEngine.js

@@ -180,9 +180,11 @@ function setUpNumber() {

function setUpDevTools() {
  // not when debugging in chrome
  if (__DEV__ && !window.document && require('Platform').OS === 'ios') {
    var setupDevtools = require('setupDevtools');
    setupDevtools();
  if (__DEV__) { // TODO(9123099) Strip `__DEV__ &&`
    if (!window.document && require('Platform').OS === 'ios') {
      var setupDevtools = require('setupDevtools');
      setupDevtools();
    }
  }
}

@@ -202,6 +204,8 @@ setUpDevTools();

// Just to make sure the JS gets packaged up. Wait until the JS environment has
// been initialized before requiring them.
require('RCTDebugComponentOwnership');
if (__DEV__) {
  require('RCTDebugComponentOwnership');
}
require('RCTDeviceEventEmitter');
require('PerformanceLogger');

Libraries/ReactIOS/renderApplication.ios.js

@@ -10,16 +10,17 @@
 */
'use strict';

var Inspector = require('Inspector');
var RCTDeviceEventEmitter = require('RCTDeviceEventEmitter');
var React = require('React');
var StyleSheet = require('StyleSheet');
var Subscribable = require('Subscribable');
var View = require('View');
var WarningBox = require('WarningBox');

var invariant = require('invariant');

var Inspector = __DEV__ ? require('Inspector') : null;
var WarningBox = __DEV__ ? require('WarningBox') : null;

var AppContainer = React.createClass({
  mixins: [Subscribable.Mixin],

@@ -28,7 +29,7 @@ var AppContainer = React.createClass({
  },

  toggleElementInspector: function() {
    var inspector = this.state.inspector
    var inspector = !__DEV__ || this.state.inspector
      ? null
      : <Inspector
          rootTag={this.props.rootTag}