Move transform response logic from adapters to dispatcher

lib/adapters/xhr.js

@@ -2,7 +2,6 @@
 
 var utils = require('./../utils');
 var settle = require('./../core/settle');
-var transformData = require('./../core/transformData');
 var buildURL = require('./../helpers/buildURL');
 var parseHeaders = require('./../helpers/parseHeaders');
 var isURLSameOrigin = require('./../helpers/isURLSameOrigin');
@@ -24,7 +23,10 @@ module.exports = function xhrAdapter(resolve, reject, config) {
   // For IE 8/9 CORS support
   // Only supports POST and GET calls and doesn't returns the response headers.
   // DON'T do this for testing b/c XMLHttpRequest is mocked, not XDomainRequest.
-  if (process.env.NODE_ENV !== 'test' && typeof window !== 'undefined' && window.XDomainRequest && !('withCredentials' in request) && !isURLSameOrigin(config.url)) {
+  if (process.env.NODE_ENV !== 'test' &&
+      typeof window !== 'undefined' &&
+      window.XDomainRequest && !('withCredentials' in request) &&
+      !isURLSameOrigin(config.url)) {
     request = new window.XDomainRequest();
     loadEvent = 'onload';
     xDomain = true;
@@ -60,11 +62,7 @@ module.exports = function xhrAdapter(resolve, reject, config) {
     var responseHeaders = 'getAllResponseHeaders' in request ? parseHeaders(request.getAllResponseHeaders()) : null;
     var responseData = !config.responseType || config.responseType === 'text' ? request.responseText : request.response;
     var response = {
-      data: transformData(
-        responseData,
-        responseHeaders,
-        config.transformResponse
-      ),
+      data: responseData,
       // IE sends 1223 instead of 204 (https://github.com/mzabriskie/axios/issues/201)
       status: request.status === 1223 ? 204 : request.status,
       statusText: request.status === 1223 ? 'No Content' : request.statusText,