Pressing 'Delete' key in bookmark manager's search box deletes bookmark.

chrome/browser/resources/bookmark_manager/js/main.js

Index: chrome/browser/resources/bookmark_manager/js/main.js
diff --git a/chrome/browser/resources/bookmark_manager/js/main.js b/chrome/browser/resources/bookmark_manager/js/main.js
index acfc3d7db701566ae61ea65a88c2c33d5ebf04f4..0a8fe315eb4c7b1dee3793cb2a2109727c7afe2b 100644
--- a/chrome/browser/resources/bookmark_manager/js/main.js
+++ b/chrome/browser/resources/bookmark_manager/js/main.js
@@ -470,6 +470,18 @@ function updatePasteCommand(opt_f) {
   });
 }
 
+function handleCanExecuteForSearchBox(e) {
+  var command = e.command;
+  switch (command.id) {
+    case 'delete-command':
+    case 'undo-command':
+      // Do nothing when delete is selected in search box.
+      // Pass the undo command through (fixes http://crbug.com/278112).

[Bernhard Bauer, 2015/04/15 15:08:56]

"Pass the delete and undo commands through".

[Deepak, 2015/04/15 15:20:38]

Done.

+      e.canExecute = false;
+      break;
+  }
+}
+
 function handleCanExecuteForDocument(e) {
   var command = e.command;
   switch (command.id) {
@@ -489,10 +501,8 @@ function handleCanExecuteForDocument(e) {
       break;
 
     case 'undo-command':
-      // If the search box is active, pass the undo command through
-      // (fixes http://crbug.com/278112). Otherwise, because
-      // the global undo command has no visible UI, always enable it, and
-      // just make it a no-op if undo is not possible.
+      // If search box is not active and the global undo command has no visible

[Bernhard Bauer, 2015/04/15 15:08:56]

You don't need to mention the part about the search field. Also, the undo
command always has no visible UI, so that's not an "if". Just use the old
phrasing without the "otherwise".

[Deepak, 2015/04/15 15:20:38]

Done.

+      // UI, always enable it, and just make it a no-op if undo is not possible.
       e.canExecute = e.currentTarget.activeElement !== $('term');
       break;
 
@@ -1464,6 +1474,7 @@ function continueInitializeBookmarkManager(localizedStrings) {
   });
 
   $('term').addEventListener('search', handleSearch);
+  $('term').addEventListener('canExecute', handleCanExecuteForSearchBox);
 
   $('folders-button').addEventListener('click', handleMenuButtonClicked);
   $('organize-button').addEventListener('click', handleMenuButtonClicked);