Remove all the ephemeral apps code.

chrome/browser/extensions/webstore_standalone_installer.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/webstore_standalone_installer.h"
 
 #include "base/values.h"
 #include "base/version.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
 #include "chrome/browser/extensions/extension_install_ui_util.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/install_tracker.h"
 #include "chrome/browser/extensions/webstore_data_fetcher.h"
 #include "chrome/browser/profiles/profile.h"
 #include "components/crx_file/id_util.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
-#include "extensions/browser/extension_util.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_urls.h"
 #include "url/gurl.h"
 
 using content::WebContents;
 
 namespace extensions {
 
 const char kInvalidWebstoreItemId[] = "Invalid Chrome Web Store item ID";
 const char kWebstoreRequestError[] =
@@ skipping 170 matching lines @@
       extension_service->GetExtensionById(id_, true /* include disabled */);
   if (installed_extension) {
     std::string install_message;
     webstore_install::Result install_result = webstore_install::SUCCESS;
     bool done = true;
 
     if (ExtensionPrefs::Get(profile_)->IsExtensionBlacklisted(id_)) {
       // Don't install a blacklisted extension.
       install_result = webstore_install::BLACKLISTED;
       install_message = kExtensionIsBlacklisted;
-    } else if (util::IsEphemeralApp(installed_extension->id(), profile_)) {
-      // If the target extension has already been installed ephemerally and is
-      // up to date, it can be promoted to a regular installed extension and
-      // downloading from the Web Store is not necessary.
-      scoped_refptr<const Extension> extension_to_install =
-          GetLocalizedExtensionForDisplay();
-      if (!extension_to_install.get()) {
-        CompleteInstall(webstore_install::INVALID_MANIFEST,
-                        kInvalidManifestError);
-        return;
-      }
-
-      if (installed_extension->version()->CompareTo(
-              *extension_to_install->version()) < 0) {
-        // If the existing extension is out of date, proceed with the install
-        // to update the extension.
-        done = false;
-      } else {
-        install_ui::ShowPostInstallUIForApproval(
-            profile_, *approval, installed_extension);
-        extension_service->PromoteEphemeralApp(installed_extension, false);
-      }
     } else if (!extension_service->IsExtensionEnabled(id_)) {
       // If the extension is installed but disabled, and not blacklisted,
       // enable it.
       extension_service->EnableExtension(id_);
     }  // else extension is installed and enabled; no work to be done.
 
     if (done) {
       CompleteInstall(install_result, install_message);
       return;
     }
@@ skipping 191 matching lines @@
 void WebstoreStandaloneInstaller::OnWebStoreDataFetcherDone() {
   // An instance of this class is passed in as a delegate for the
   // WebstoreInstallHelper, ExtensionInstallPrompt and WebstoreInstaller, and
   // therefore needs to remain alive until they are done. Clear the webstore
   // data fetcher to avoid calling Release in AbortInstall while any of these
   // operations are in progress.
   webstore_data_fetcher_.reset();
 }
 
 }  // namespace extensions