Closes the notifier settings view by Esc key.

ui/message_center/views/notifier_settings_view.cc

Index: ui/message_center/views/notifier_settings_view.cc
diff --git a/ui/message_center/views/notifier_settings_view.cc b/ui/message_center/views/notifier_settings_view.cc
index 867d9e75136239e3f096206b121876d8892d039d..b4c43940e73203fde59408f2a16500f3369307fa 100644
--- a/ui/message_center/views/notifier_settings_view.cc
+++ b/ui/message_center/views/notifier_settings_view.cc
@@ -6,6 +6,7 @@
 
 #include "grit/ui_strings.h"
 #include "third_party/skia/include/core/SkColor.h"
+#include "ui/base/keycodes/keyboard_codes.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/canvas.h"
@@ -340,6 +341,11 @@ void NotifierSettingsView::OnBlur() {
 }
 
 bool NotifierSettingsView::OnKeyPressed(const ui::KeyEvent& event) {
+  if (event.key_code() == ui::VKEY_ESCAPE) {
+    GetWidget()->Close();
+    return true;
+  }
+
   return scroller_->OnKeyPressed(event);
 }