Provide UI for per-extension enabling/disabling of error collection.

chrome/browser/resources/extensions/extension_list.js

Index: chrome/browser/resources/extensions/extension_list.js
diff --git a/chrome/browser/resources/extensions/extension_list.js b/chrome/browser/resources/extensions/extension_list.js
index f21d865d7a78bea2c1b9fe0172c9d5ed9955d465..c70db74262764d82b93ca5c206817bf07b6996a3 100644
--- a/chrome/browser/resources/extensions/extension_list.js
+++ b/chrome/browser/resources/extensions/extension_list.js
@@ -148,6 +148,15 @@ cr.define('options', function() {
       var butterBar = node.querySelector('.butter-bar');
       butterBar.hidden = !butterBarVisibility[extension.id];
 
+      // The 'collect errors' checkbox.
+      var errorCollection =
+          node.querySelector('.error-collection-control input');
+      errorCollection.checked = extension.errorCollectionEnabled;
+      errorCollection.addEventListener('change', function(e) {
+        chrome.send('extensionSettingsEnableErrorCollection',
+                    [extension.id, String(e.target.checked)]);
+      });
+
       // The 'allow file:// access' checkbox.
       if (extension.wantsFileAccess) {
         var fileAccess = node.querySelector('.file-access-control');