Remove FileError interface

third_party/WebKit/Source/devtools/front_end/timeline/TimelineLoader.js

Index: third_party/WebKit/Source/devtools/front_end/timeline/TimelineLoader.js
diff --git a/third_party/WebKit/Source/devtools/front_end/timeline/TimelineLoader.js b/third_party/WebKit/Source/devtools/front_end/timeline/TimelineLoader.js
index 4d318bab05e0b710ae813327a7a8a1675ac44803..96bd1e19e04fac75b416e2cfe321ac846f8cddd1 100644
--- a/third_party/WebKit/Source/devtools/front_end/timeline/TimelineLoader.js
+++ b/third_party/WebKit/Source/devtools/front_end/timeline/TimelineLoader.js
@@ -214,14 +214,14 @@ WebInspector.TimelineLoader.prototype = {
      */
     onError: function(reader, event)
     {
-        switch (event.target.error.code) {
-        case FileError.NOT_FOUND_ERR:
+        switch (event.target.error.name) {

[pfeldman, 2016/07/12 21:29:44]

Was name previously available? If not, you would need to install it in the
compat layer in devtools.js

[jsbell, 2016/07/13 16:55:07]

Yes; FileError started inheriting from DOMError circa 2013, and DOMError has had
name since 2012 (when the interface was first added).

+        case 'NotFoundError':
             this._reportErrorAndCancelLoading(WebInspector.UIString("File \"%s\" not found.", reader.fileName()));
             break;
-        case FileError.NOT_READABLE_ERR:
+        case 'NotReadableError':
             this._reportErrorAndCancelLoading(WebInspector.UIString("File \"%s\" is not readable", reader.fileName()));
             break;
-        case FileError.ABORT_ERR:
+        case 'AbortError':
             break;
         default:
             this._reportErrorAndCancelLoading(WebInspector.UIString("An error occurred while reading the file \"%s\"", reader.fileName()));