[DevTools] Fix problem with loading source maps

third_party/WebKit/Source/devtools/front_end/host/ResourceLoader.js

 // Copyright (c) 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 WebInspector.ResourceLoader = {}
 
 WebInspector.ResourceLoader._lastStreamId = 0;
 /** @type {!Object.<number, !WebInspector.OutputStream>} */
 WebInspector.ResourceLoader._boundStreams = {};
 
@@ skipping 12 matching lines @@
  */
 WebInspector.ResourceLoader._discardOutputStream = function(id)
 {
     WebInspector.ResourceLoader._boundStreams[id].close();
     delete WebInspector.ResourceLoader._boundStreams[id];
 }
 
 /**
  * @param {number} id
  * @param {string} chunk
+ * @param {boolean=} encoded
  */
-WebInspector.ResourceLoader.streamWrite = function(id, chunk)
+WebInspector.ResourceLoader.streamWrite = function(id, chunk, encoded)
 {
-    WebInspector.ResourceLoader._boundStreams[id].write(chunk);
+    if (encoded) {
+        var request = new XMLHttpRequest();
+        request.open("GET", "data:text/plain;base64," + chunk, false);

[dgozman, 2016/06/02 22:32:12]

Let's create a helper function in utilities.js.

[kozy, 2016/06/02 23:00:20]

Done.

+        request.send(null);
+        if (request.status === 200)
+            WebInspector.ResourceLoader._boundStreams[id].write(request.responseText);
+        else
+            console.error("Error while decoding chunk in ResourceLoader");
+    } else {
+        WebInspector.ResourceLoader._boundStreams[id].write(chunk);
+    }
 }
 
 /**
  * @param {string} url
  * @param {?Object.<string, string>} headers
  * @param {function(number, !Object.<string, string>, string)} callback
  */
 WebInspector.ResourceLoader.load = function(url, headers, callback)
 {
     var stream = new WebInspector.StringOutputStream();
@@ skipping 50 matching lines @@
     {
         WebInspector.ResourceLoader.streamWrite(streamId, text);
         finishedCallback(/** @type {!InspectorFrontendHostAPI.LoadNetworkResourceResult} */ ({statusCode : 200}));
     }
 
     function dataURLDecodeFailed()
     {
         finishedCallback(/** @type {!InspectorFrontendHostAPI.LoadNetworkResourceResult} */ ({statusCode : 404}));
     }
 }