Allow platform apps to add themselves to the Action Box.

chrome/browser/profiles/profile_dependency_manager.cc

Index: chrome/browser/profiles/profile_dependency_manager.cc
diff --git a/chrome/browser/profiles/profile_dependency_manager.cc b/chrome/browser/profiles/profile_dependency_manager.cc
index f32fc617baddc97209cc5e713cf55f89ddbba4f5..fdc5021890b10c1ed5a3dbd5ffaa762f4ff650e0 100644
--- a/chrome/browser/profiles/profile_dependency_manager.cc
+++ b/chrome/browser/profiles/profile_dependency_manager.cc
@@ -32,6 +32,7 @@
 #include "chrome/browser/extensions/api/management/management_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/page_launcher/page_launcher_api.h"
 #include "chrome/browser/extensions/api/preference/preference_api.h"
 #include "chrome/browser/extensions/api/processes/processes_api.h"
 #include "chrome/browser/extensions/api/push_messaging/push_messaging_api.h"
@@ -280,6 +281,7 @@ void ProfileDependencyManager::AssertFactoriesBuilt() {
   extensions::MediaPlayerAPI::GetFactoryInstance();
 #endif
   extensions::OmniboxAPI::GetFactoryInstance();
+  extensions::PageLauncherAPI::GetFactoryInstance();
   extensions::PreferenceAPI::GetFactoryInstance();
   extensions::ProcessesAPI::GetFactoryInstance();
   extensions::PushMessagingAPI::GetFactoryInstance();