SupportsUserData and manifest handlers for Extension; use them for the Omnibox API.

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 31277674e7701b61b9671dca7eb9421e21307317..a4786c4874ce37c5b5fb344c6b733c43654bae9f 100644
--- a/chrome/browser/profiles/profile_dependency_manager.cc
+++ b/chrome/browser/profiles/profile_dependency_manager.cc
@@ -23,6 +23,7 @@
 #include "chrome/browser/extensions/api/idle/idle_manager_factory.h"
 #include "chrome/browser/extensions/api/managed_mode/managed_mode_api_factory.h"
 #include "chrome/browser/extensions/api/management/management_api_factory.h"
+#include "chrome/browser/extensions/api/omnibox/omnibox_api_factory.h"
 #include "chrome/browser/extensions/api/processes/processes_api_factory.h"
 #include "chrome/browser/extensions/api/tab_capture/tab_capture_registry_factory.h"
 #include "chrome/browser/extensions/api/web_navigation/web_navigation_api_factory.h"
@@ -234,6 +235,7 @@ void ProfileDependencyManager::AssertFactoriesBuilt() {
   extensions::FontSettingsAPIFactory::GetInstance();
   extensions::IdleManagerFactory::GetInstance();
   extensions::ManagedModeAPIFactory::GetInstance();
+  extensions::OmniboxAPIFactory::GetInstance();
   extensions::ProcessesAPIFactory::GetInstance();
   extensions::SuggestedLinksRegistryFactory::GetInstance();
   extensions::TabCaptureRegistryFactory::GetInstance();