[Chrome OS ECHO]: Rename API and method names

chrome/browser/extensions/extension_function_registry.cc

Index: chrome/browser/extensions/extension_function_registry.cc
diff --git a/chrome/browser/extensions/extension_function_registry.cc b/chrome/browser/extensions/extension_function_registry.cc
index d78566c4f4cb1ac59bb997c154dafd6ac530ff81..661dc395d56c0ed19996249ea045fb7fa3e708a5 100644
--- a/chrome/browser/extensions/extension_function_registry.cc
+++ b/chrome/browser/extensions/extension_function_registry.cc
@@ -63,7 +63,7 @@
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/extensions/file_browser_private_api.h"
-#include "chrome/browser/chromeos/extensions/offers_private_api.h"
+#include "chrome/browser/chromeos/extensions/echo_private_api.h"
 #include "chrome/browser/chromeos/media/media_player_extension_api.h"
 #include "chrome/browser/extensions/api/terminal/terminal_private_api.h"
 #include "chrome/browser/extensions/extension_info_private_api_chromeos.h"
@@ -382,9 +382,8 @@ void ExtensionFunctionRegistry::ResetFunctions() {
   // InputMethod
   RegisterFunction<GetInputMethodFunction>();
 
-  // Offers
-  RegisterFunction<GetCouponCodeFunction>();
-  RegisterFunction<GetUserConsentFunction>();
+  // Echo
+  RegisterFunction<GetRegistrationCodeFunction>();
 
   // Terminal
   RegisterFunction<OpenTerminalProcessFunction>();