Remove ShellExtensionSystem::LaunchApp

extensions/shell/test/shell_apitest.cc

Index: extensions/shell/test/shell_apitest.cc
diff --git a/extensions/shell/test/shell_apitest.cc b/extensions/shell/test/shell_apitest.cc
index 4018e9fdd792a7b23d135d242b3910542fcdf3cc..289377fcc1593e3bf65b27667f65dea0b7c74d31 100644
--- a/extensions/shell/test/shell_apitest.cc
+++ b/extensions/shell/test/shell_apitest.cc
@@ -4,12 +4,14 @@
 
 #include "extensions/shell/test/shell_apitest.h"
 
+#include "apps/launcher.h"
 #include "base/files/file_path.h"
 #include "base/path_service.h"
 #include "base/threading/thread_restrictions.h"
 #include "content/public/browser/notification_service.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/notification_types.h"
+#include "extensions/common/constants.h"
 #include "extensions/common/extension_paths.h"
 #include "extensions/shell/browser/shell_extension_system.h"
 #include "extensions/test/result_catcher.h"
@@ -32,7 +34,8 @@ const Extension* ShellApiTest::LoadApp(const std::string& app_dir) {
   if (!extension)
     return NULL;
 
-  extension_system_->LaunchApp(extension->id());
+  apps::LaunchPlatformApp(browser_context(), extension,
+                          extensions::SOURCE_UNTRACKED);
 
   return extension;
 }