Move renderSubtreeIntoContainer into ReactDOMClient

src/addons/ReactWithAddons.js

@@ -28,7 +28,6 @@ var ReactTransitionGroup = require('ReactTransitionGroup');
 var ReactUpdates = require('ReactUpdates');
 
 var cloneWithProps = require('cloneWithProps');
-var renderSubtreeIntoContainer = require('renderSubtreeIntoContainer');
 var shallowCompare = require('shallowCompare');
 var update = require('update');
 
@@ -41,7 +40,6 @@ React.addons = {
   batchedUpdates: ReactUpdates.batchedUpdates,
   cloneWithProps: cloneWithProps,
   createFragment: ReactFragment.create,
-  renderSubtreeIntoContainer: renderSubtreeIntoContainer,
   shallowCompare: shallowCompare,
   update: update,
 };

src/renderers/dom/ReactDOMClient.js

@@ -22,6 +22,7 @@ var ReactPerf = require('ReactPerf');
 var ReactReconciler = require('ReactReconciler');
 
 var findDOMNode = require('findDOMNode');
+var renderSubtreeIntoContainer = require('renderSubtreeIntoContainer');
 var warning = require('warning');
 
 ReactDefaultInjection.inject();
@@ -34,6 +35,7 @@ var React = {
   findDOMNode: findDOMNode,
   render: render,
   unmountComponentAtNode: ReactMount.unmountComponentAtNode,
+  _renderSubtreeIntoContainer: renderSubtreeIntoContainer,
 };
 
 // Inject the runtime into a devtools global hook regardless of browser.