Move webNavigation extension api into a separate directory

chrome/browser/extensions/extension_service.cc

Index: chrome/browser/extensions/extension_service.cc
diff --git a/chrome/browser/extensions/extension_service.cc b/chrome/browser/extensions/extension_service.cc
index 1af45fd725d568b37fdf634ccdef3f6aaf85cb3f..c2e6101ccb18440459982502d6b537097bcee900 100644
--- a/chrome/browser/extensions/extension_service.cc
+++ b/chrome/browser/extensions/extension_service.cc
@@ -37,6 +37,7 @@
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/api/declarative/rules_registry_service.h"
+#include "chrome/browser/extensions/api/web_navigation/web_navigation_api.h"
 #include "chrome/browser/extensions/default_apps_trial.h"
 #include "chrome/browser/extensions/extension_browser_event_router.h"
 #include "chrome/browser/extensions/extension_cookies_api.h"
@@ -56,7 +57,6 @@
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/extension_system_factory.h"
 #include "chrome/browser/extensions/extension_web_ui.h"
-#include "chrome/browser/extensions/extension_webnavigation_api.h"
 #include "chrome/browser/extensions/external_extension_provider_impl.h"
 #include "chrome/browser/extensions/external_extension_provider_interface.h"
 #include "chrome/browser/extensions/installed_loader.h"
@@ -546,7 +546,7 @@ void ExtensionService::InitEventRouters() {
   management_event_router_->Init();
   ExtensionProcessesEventRouter::GetInstance()->ObserveProfile(profile_);
   web_navigation_event_router_.reset(
-      new ExtensionWebNavigationEventRouter(profile_));
+      new extensions::WebNavigationEventRouter(profile_));
   web_navigation_event_router_->Init();
 
 #if defined(OS_CHROMEOS)