cleanup: Use EventRouter instead of ExtensionSystem::Get->event_router()

chrome/browser/extensions/api/omnibox/omnibox_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/omnibox/omnibox_api.h"
 
 #include "base/json/json_writer.h"
 #include "base/lazy_instance.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/search_engines/template_url_service.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/common/extensions/api/omnibox.h"
 #include "chrome/common/extensions/api/omnibox/omnibox_handler.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_prefs_factory.h"
 #include "extensions/browser/extension_registry.h"
-#include "extensions/browser/extension_system.h"
 #include "extensions/browser/extension_system_provider.h"
 #include "extensions/browser/extensions_browser_client.h"
 #include "extensions/common/extension.h"
 #include "ui/gfx/image/image.h"
 
 namespace extensions {
 
 namespace omnibox = api::omnibox;
 namespace SendSuggestions = omnibox::SendSuggestions;
 namespace SetDefaultSuggestion = omnibox::SetDefaultSuggestion;
@@ skipping 58 matching lines @@
 
 }  // namespace
 
 // static
 void ExtensionOmniboxEventRouter::OnInputStarted(
     Profile* profile, const std::string& extension_id) {
   scoped_ptr<Event> event(new Event(
       omnibox::OnInputStarted::kEventName,
       make_scoped_ptr(new base::ListValue())));
   event->restrict_to_browser_context = profile;
-  ExtensionSystem::Get(profile)->event_router()->
-      DispatchEventToExtension(extension_id, event.Pass());
+  EventRouter::Get(profile)
+      ->DispatchEventToExtension(extension_id, event.Pass());
 }
 
 // static
 bool ExtensionOmniboxEventRouter::OnInputChanged(
     Profile* profile, const std::string& extension_id,
     const std::string& input, int suggest_id) {
-  if (!ExtensionSystem::Get(profile)->event_router()->ExtensionHasEventListener(
-           extension_id, omnibox::OnInputChanged::kEventName))
+  EventRouter* event_router = EventRouter::Get(profile);
+  if (!event_router->ExtensionHasEventListener(
+          extension_id, omnibox::OnInputChanged::kEventName))
     return false;
 
   scoped_ptr<base::ListValue> args(new base::ListValue());
   args->Set(0, new base::StringValue(input));
   args->Set(1, new base::FundamentalValue(suggest_id));
 
   scoped_ptr<Event> event(new Event(omnibox::OnInputChanged::kEventName,
                                     args.Pass()));
   event->restrict_to_browser_context = profile;
-  ExtensionSystem::Get(profile)->event_router()->
-      DispatchEventToExtension(extension_id, event.Pass());
+  event_router->DispatchEventToExtension(extension_id, event.Pass());
   return true;
 }
 
 // static
 void ExtensionOmniboxEventRouter::OnInputEntered(
     content::WebContents* web_contents,
     const std::string& extension_id,
     const std::string& input,
     WindowOpenDisposition disposition) {
   Profile* profile =
@@ skipping 11 matching lines @@
   if (disposition == NEW_FOREGROUND_TAB)
     args->Set(1, new base::StringValue(kForegroundTabDisposition));
   else if (disposition == NEW_BACKGROUND_TAB)
     args->Set(1, new base::StringValue(kBackgroundTabDisposition));
   else
     args->Set(1, new base::StringValue(kCurrentTabDisposition));
 
   scoped_ptr<Event> event(new Event(omnibox::OnInputEntered::kEventName,
                                     args.Pass()));
   event->restrict_to_browser_context = profile;
-  ExtensionSystem::Get(profile)->event_router()->
-      DispatchEventToExtension(extension_id, event.Pass());
+  EventRouter::Get(profile)
+      ->DispatchEventToExtension(extension_id, event.Pass());
 
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_EXTENSION_OMNIBOX_INPUT_ENTERED,
       content::Source<Profile>(profile),
       content::NotificationService::NoDetails());
 }
 
 // static
 void ExtensionOmniboxEventRouter::OnInputCancelled(
     Profile* profile, const std::string& extension_id) {
   scoped_ptr<Event> event(new Event(
       omnibox::OnInputCancelled::kEventName,
       make_scoped_ptr(new base::ListValue())));
   event->restrict_to_browser_context = profile;
-  ExtensionSystem::Get(profile)->event_router()->
-      DispatchEventToExtension(extension_id, event.Pass());
+  EventRouter::Get(profile)
+      ->DispatchEventToExtension(extension_id, event.Pass());
 }
 
 OmniboxAPI::OmniboxAPI(content::BrowserContext* context)
     : profile_(Profile::FromBrowserContext(context)),
       url_service_(TemplateURLServiceFactory::GetForProfile(profile_)) {
   registrar_.Add(this,
                  chrome::NOTIFICATION_EXTENSION_LOADED,
                  content::Source<Profile>(profile_));
   registrar_.Add(this,
                  chrome::NOTIFICATION_EXTENSION_UNLOADED_DEPRECATED,
@@ skipping 212 matching lines @@
     for (size_t i = 0; i < description_styles.size(); ++i) {
       if (description_styles[i].offset > placeholder)
         description_styles[i].offset += replacement.length() - 2;
     }
   }
 
   match->contents.assign(description);
 }
 
 }  // namespace extensions