Initial chrome.mdns API.

chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.cc

Index: chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.cc
diff --git a/chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.cc b/chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.cc
index 4052d82e1c1af0e69f942bbcce08bcccb9788f8b..3e0db368aef6a8086fc39ec146bcc9df7bf707ec 100644
--- a/chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.cc
+++ b/chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.cc
@@ -37,6 +37,7 @@
 #include "chrome/browser/extensions/api/input/input.h"
 #include "chrome/browser/extensions/api/location/location_manager.h"
 #include "chrome/browser/extensions/api/management/management_api.h"
+#include "chrome/browser/extensions/api/mdns/mdns_api.h"
 #include "chrome/browser/extensions/api/media_galleries_private/media_galleries_private_api.h"
 #include "chrome/browser/extensions/api/omnibox/omnibox_api.h"
 #include "chrome/browser/extensions/api/preference/chrome_direct_setting_api.h"
@@ -239,6 +240,7 @@ EnsureBrowserContextKeyedServiceFactoriesBuilt() {
 #endif
   extensions::LocationManager::GetFactoryInstance();
   extensions::ManagementAPI::GetFactoryInstance();
+  extensions::MDnsAPI::GetFactoryInstance();
   extensions::MediaGalleriesPrivateAPI::GetFactoryInstance();
 #if defined(OS_CHROMEOS)
   extensions::MediaPlayerAPI::GetFactoryInstance();