Zoom Extension API

chrome/browser/extensions/api/tabs/tabs_windows_api.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/api/tabs/tabs_windows_api.h"
 
 #include "base/lazy_instance.h"
 #include "chrome/browser/extensions/api/tabs/tabs_event_router.h"
 #include "chrome/browser/extensions/api/tabs/windows_event_router.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 17 matching lines @@
                                  api::tabs::OnSelectionChanged::kEventName);
   event_router->RegisterObserver(this, api::tabs::OnActiveChanged::kEventName);
   event_router->RegisterObserver(this, api::tabs::OnActivated::kEventName);
   event_router->RegisterObserver(this,
                                  api::tabs::OnHighlightChanged::kEventName);
   event_router->RegisterObserver(this, api::tabs::OnHighlighted::kEventName);
   event_router->RegisterObserver(this, api::tabs::OnDetached::kEventName);
   event_router->RegisterObserver(this, api::tabs::OnAttached::kEventName);
   event_router->RegisterObserver(this, api::tabs::OnRemoved::kEventName);
   event_router->RegisterObserver(this, api::tabs::OnReplaced::kEventName);
+  event_router->RegisterObserver(this, api::tabs::OnZoomChange::kEventName);
 
   // Windows API Events.
   event_router->RegisterObserver(this, api::windows::OnCreated::kEventName);
   event_router->RegisterObserver(this, api::windows::OnRemoved::kEventName);
   event_router->RegisterObserver(this,
                                  api::windows::OnFocusChanged::kEventName);
 }
 
 TabsWindowsAPI::~TabsWindowsAPI() {
 }
@@ skipping 32 matching lines @@
 
 void TabsWindowsAPI::OnListenerAdded(const EventListenerInfo& details) {
   // Initialize the event routers.
   tabs_event_router();
   windows_event_router();
   ExtensionSystem::Get(browser_context_)->event_router()->UnregisterObserver(
       this);
 }
 
 }  // namespace extensions