Add tabs.onReplaced event to notify listeners of tabs being swapped due to prerendering or instant.

chrome/browser/extensions/event_names.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/event_names.h"
 
 namespace extensions {
 
 namespace event_names {
 
 const char kOnTabActivated[] = "tabs.onActivated";
 const char kOnTabActiveChanged[] = "tabs.onActiveChanged";
 const char kOnTabAttached[] = "tabs.onAttached";
 const char kOnTabCreated[] = "tabs.onCreated";
 const char kOnTabDetached[] = "tabs.onDetached";
 const char kOnTabHighlightChanged[] = "tabs.onHighlightChanged";
 const char kOnTabHighlighted[] = "tabs.onHighlighted";
 const char kOnTabMoved[] = "tabs.onMoved";
 const char kOnTabRemoved[] = "tabs.onRemoved";
+const char kOnTabReplaced[] = "tabs.onReplaced";
 const char kOnTabSelectionChanged[] = "tabs.onSelectionChanged";
 const char kOnTabUpdated[] = "tabs.onUpdated";
 
 const char kOnWindowCreated[] = "windows.onCreated";
 const char kOnWindowFocusedChanged[] = "windows.onFocusChanged";
 const char kOnWindowRemoved[] = "windows.onRemoved";
 
 const char kOnExtensionInstalled[] = "management.onInstalled";
 const char kOnExtensionUninstalled[] = "management.onUninstalled";
 const char kOnExtensionEnabled[] = "management.onEnabled";
@@ skipping 57 matching lines @@
 const char kOnNotificationDisplayed[] = "experimental.notification.onDisplayed";
 const char kOnNotificationError[] = "experimental.notification.onError";
 const char kOnNotificationClosed[] = "experimental.notification.onClosed";
 const char kOnNotificationClicked[] = "experimental.notification.onClicked";
 const char kOnNotificationButtonClicked[] =
     "experimental.notification.onButtonClicked";
 
 }  // namespace event_names
 
 }  // namespace extensions