Introduce chrome.displaySource API

extensions/browser/browser_context_keyed_service_factories.cc

Index: extensions/browser/browser_context_keyed_service_factories.cc
diff --git a/extensions/browser/browser_context_keyed_service_factories.cc b/extensions/browser/browser_context_keyed_service_factories.cc
index 8d1061f1f76e10392b4c7e3e5cb6e286a047f71c..002c68f796365c4cecb2ca462468f95260d67206 100644
--- a/extensions/browser/browser_context_keyed_service_factories.cc
+++ b/extensions/browser/browser_context_keyed_service_factories.cc
@@ -10,6 +10,7 @@
 #include "extensions/browser/api/bluetooth/bluetooth_api.h"
 #include "extensions/browser/api/bluetooth/bluetooth_private_api.h"
 #include "extensions/browser/api/bluetooth_socket/bluetooth_socket_event_dispatcher.h"
+#include "extensions/browser/api/display_source/display_source_event_router_factory.h"
 #include "extensions/browser/api/hid/hid_device_manager.h"
 #include "extensions/browser/api/idle/idle_manager_factory.h"
 #include "extensions/browser/api/management/management_api.h"
@@ -61,6 +62,7 @@ void EnsureBrowserContextKeyedServiceFactoriesBuilt() {
   api::TCPSocketEventDispatcher::GetFactoryInstance();
   api::UDPSocketEventDispatcher::GetFactoryInstance();
   DeclarativeUserScriptManagerFactory::GetInstance();
+  DisplaySourceEventRouterFactory::GetInstance();
   EventRouterFactory::GetInstance();
   ExtensionMessageFilter::EnsureShutdownNotifierFactoryBuilt();
   ExtensionPrefsFactory::GetInstance();