Refactor loading out of ExtensionService.

chrome/browser/ui/webui/options/extension_settings_handler.cc

Index: chrome/browser/ui/webui/options/extension_settings_handler.cc
diff --git a/chrome/browser/ui/webui/options/extension_settings_handler.cc b/chrome/browser/ui/webui/options/extension_settings_handler.cc
index f8c3fc50cc56cf0fcd1f49706d6186a6ef4c25e5..7b360436ca33dd3da494c00f84d8746f14c5e2b6 100644
--- a/chrome/browser/ui/webui/options/extension_settings_handler.cc
+++ b/chrome/browser/ui/webui/options/extension_settings_handler.cc
@@ -20,6 +20,7 @@
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_updater.h"
 #include "chrome/browser/extensions/extension_warning_set.h"
+#include "chrome/browser/extensions/unpacked_installer.h"
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/background_contents.h"
@@ -427,7 +428,7 @@ void ExtensionSettingsHandler::HandleLoadMessage(const ListValue* args) {
   FilePath::StringType string_path;
   CHECK_EQ(1U, args->GetSize()) << args->GetSize();
   CHECK(args->GetString(0, &string_path));
-  extension_service_->LoadExtension(FilePath(string_path));
+  extension_service_->MakeUnpackedInstaller()->Load(FilePath(string_path));
 }
 
 void ExtensionSettingsHandler::ShowAlert(const std::string& message) {