Revert "Eliminate all code related to the AutomaticProfileResetter."

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index 9cfe5359a26af2cbf1c6b47bb0931650131c5988..ce44ca2d259ed35169c2fa659ffd5ac946465215 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -282,17 +282,6 @@ PrefStore* CreateExtensionPrefStore(Profile* profile,
 #endif
 }
 
-#if !defined(OS_ANDROID)
-// Deletes the file that was used by the AutomaticProfileResetter service, which
-// has since been removed, to store that the prompt had already been shown.
-// TODO(engedy): Remove this and caller in M42 or later. See crbug.com/398813.
-void DeleteResetPromptMementoFile(const base::FilePath& profile_dir) {
-  base::FilePath memento_path =
-      profile_dir.Append(FILE_PATH_LITERAL("Reset Prompt Memento"));
-  base::DeleteFile(memento_path, false);
-}
-#endif
-
 }  // namespace
 
 // static
@@ -724,13 +713,6 @@ void ProfileImpl::DoFinalInit() {
   // as a URLDataSource early.
   RegisterDomDistillerViewerSource(this);
 
-#if !defined(OS_ANDROID)
-  BrowserThread::GetBlockingPool()->PostDelayedWorkerTask(
-      FROM_HERE,
-      base::Bind(&DeleteResetPromptMementoFile, GetPath()),
-      base::TimeDelta::FromMilliseconds(2 * create_readme_delay_ms));
-#endif
-
   // Creation has been finished.
   TRACE_EVENT_END1("browser",
                    "Profile::CreateProfile",