Revert of Stop passing chrome.test.fail as ErrorCallback

chrome/test/data/extensions/api_test/media_galleries/common/common_injected.js

Index: chrome/test/data/extensions/api_test/media_galleries/common/common_injected.js
diff --git a/chrome/test/data/extensions/api_test/media_galleries/common/common_injected.js b/chrome/test/data/extensions/api_test/media_galleries/common/common_injected.js
index 17db28187fde40f235016b2d98641463f9978254..8f5de725fa24925215d27e5310c34f4f0774d816 100644
--- a/chrome/test/data/extensions/api_test/media_galleries/common/common_injected.js
+++ b/chrome/test/data/extensions/api_test/media_galleries/common/common_injected.js
@@ -202,7 +202,7 @@
 function verifyJPEG(parentDirectoryEntry, filename, expectedFileLength,
                     doneCallback) {
   function verifyFileEntry(fileEntry) {
-    fileEntry.file(verifyFile, chrome.test.fail);
+    fileEntry.file(verifyFile, chrome.test.fail)
   }
 
   function verifyFile(file) {
@@ -212,11 +212,10 @@
       var arraybuffer = e.target.result;
       chrome.test.assertEq(expectedFileLength, arraybuffer.byteLength);
       doneCallback();
-    };
-
-    reader.onerror = function(e) {
-      chrome.test.fail("Unable to read test image: " + filename);
-    };
+    }
+
+    reader.onerror =
+      chrome.test.fail.bind(null, "Unable to read test image: " + filename);
 
     reader.readAsArrayBuffer(file);
   }