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..5bd11d1878021c2203668ef36e614a818529cd76 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':
+      // Pass the delete and undo commands through
+      // (fixes http://crbug.com/278112).
+      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.
+      // Because the global undo command has no visible UI, always enable it,
+      // and just make it a no-op if undo is not possible.
       e.canExecute = e.currentTarget.activeElement !== $('term');

[Bernhard Bauer, 2015/04/16 08:08:04]

Wait, this should be unconditionally set to true (the current behavior is not
wrong, but we know that the search field is not active, and that way this part
of the code does not have to deal with the search field at all).

       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);