Move getNextDebugID() to React package.

The module, and its internal state, was duplicated in several packages,
leading to duplicate ids when multiple renderers were used.

grunt/config/browserify.js

@@ -18,6 +18,7 @@ var shimSharedModules = aliasify.configure({
     'react/lib/React': 'react/lib/ReactUMDShim',
     'react/lib/ReactCurrentOwner': 'react/lib/ReactCurrentOwnerUMDShim',
     'react/lib/ReactComponentTreeHook': 'react/lib/ReactComponentTreeHookUMDShim',
+    'react/lib/getNextDebugID': 'react/lib/getNextDebugIDUMDShim',
   },
 });
 

gulpfile.js

@@ -139,6 +139,7 @@ var rendererSharedState = {
   'react/lib/checkPropTypes': 'react/lib/checkPropTypes',
   'react/lib/ReactComponentTreeHook': 'react/lib/ReactComponentTreeHook',
   'react/lib/ReactDebugCurrentFrame': 'react/lib/ReactDebugCurrentFrame',
+  'react/lib/getNextDebugID': 'react/lib/getNextDebugID',
 };
 
 var moduleMapReactDOM = Object.assign(

src/umd/ReactUMDEntry.js

@@ -26,6 +26,7 @@ if (__DEV__) {
     {
       // ReactComponentTreeHook should not be included in production.
       ReactComponentTreeHook: require('react/lib/ReactComponentTreeHook'),
+      getNextDebugID: require('react/lib/getNextDebugID'),
     }
   );
 }

src/umd/ReactWithAddonsUMDEntry.js

@@ -27,6 +27,7 @@ if (__DEV__) {
     {
       // ReactComponentTreeHook should not be included in production.
       ReactComponentTreeHook: require('react/lib/ReactComponentTreeHook'),
+      getNextDebugID: require('getNextDebugID'),
     }
   );
 }

src/umd/shims/getNextDebugIDUMDShim.js

@@ -0,0 +1,19 @@
+/**
+ * Copyright 2013-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * @providesModule getNextDebugId
+ */
+
+/* globals React */
+
+'use strict';
+
+var ReactInternals = React.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;
+
+module.exports = ReactInternals.getNextDebugID;
+