Fix and re-enable the Feedback API Test.

chrome/test/data/extensions/api_test/feedback_private/basic/test.js

Index: chrome/test/data/extensions/api_test/feedback_private/basic/test.js
diff --git a/chrome/test/data/extensions/api_test/feedback_private/basic/test.js b/chrome/test/data/extensions/api_test/feedback_private/basic/test.js
index 8f69b61e7692b0e5b03650e502a101a2f5349499..5512b7eb05e7fa69c8e776d6fc367dc0e6428476 100644
--- a/chrome/test/data/extensions/api_test/feedback_private/basic/test.js
+++ b/chrome/test/data/extensions/api_test/feedback_private/basic/test.js
@@ -21,8 +21,10 @@ chrome.test.runTests([
     }));
   },
   function sendFeedbackTest() {
-    var feedbackInfo = {};
-    feedbackInfo.description = 'This is a test description';
+    var feedbackInfo = {
+      description: 'This is a test description',
+      sendHistograms: false
+    };
     chrome.feedbackPrivate.sendFeedback(
         feedbackInfo, chrome.test.callbackPass(function(response) {
       chrome.test.assertEq(response, 'success');