Re-land alexbost's experimental Offscreen Tabs API work.

chrome/browser/extensions/extension_function_dispatcher.cc

Index: chrome/browser/extensions/extension_function_dispatcher.cc
diff --git a/chrome/browser/extensions/extension_function_dispatcher.cc b/chrome/browser/extensions/extension_function_dispatcher.cc
index 4a1c6426fd76973e12d0cdf8acdabe588ecf0a7f..87bb120754bff792b59fec1b7a8b5cffbe68bc91 100644
--- a/chrome/browser/extensions/extension_function_dispatcher.cc
+++ b/chrome/browser/extensions/extension_function_dispatcher.cc
@@ -36,6 +36,7 @@
 #include "chrome/browser/extensions/extension_management_api.h"
 #include "chrome/browser/extensions/extension_metrics_module.h"
 #include "chrome/browser/extensions/extension_module.h"
+#include "chrome/browser/extensions/extension_offscreen_tabs_module.h"
 #include "chrome/browser/extensions/extension_omnibox_api.h"
 #include "chrome/browser/extensions/extension_page_actions_module.h"
 #include "chrome/browser/extensions/extension_page_capture_api.h"
@@ -500,6 +501,16 @@ void FactoryRegistry::ResetFunctions() {
   // System
   RegisterFunction<extensions::GetIncognitoModeAvailabilityFunction>();
   RegisterFunction<extensions::GetUpdateStatusFunction>();
+
+  // Experimental Offscreen Tabs
+  RegisterFunction<CreateOffscreenTabFunction>();
+  RegisterFunction<GetOffscreenTabFunction>();
+  RegisterFunction<GetAllOffscreenTabFunction>();
+  RegisterFunction<RemoveOffscreenTabFunction>();
+  RegisterFunction<SendKeyboardEventOffscreenTabFunction>();
+  RegisterFunction<SendMouseEventOffscreenTabFunction>();
+  RegisterFunction<ToDataUrlOffscreenTabFunction>();
+  RegisterFunction<UpdateOffscreenTabFunction>();
 }
 
 void FactoryRegistry::GetAllNames(std::vector<std::string>* names) {