Remove all the ephemeral apps code.

chrome/browser/extensions/api/webstore_private/webstore_private_api.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/api/webstore_private/webstore_private_api.h"
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_vector.h"
 #include "base/metrics/histogram.h"
@@ skipping 189 matching lines @@
     icon_url = source_url().Resolve(*details().icon_url);
     if (!icon_url.is_valid()) {
       return RespondNow(BuildResponse(
           api::webstore_private::RESULT_INVALID_ICON_URL,
           kInvalidIconUrlError));
     }
   }
 
   InstallTracker* tracker = InstallTracker::Get(browser_context());
   DCHECK(tracker);
-  if (util::IsExtensionInstalledPermanently(details().id, browser_context()) ||
-      tracker->GetActiveInstall(details().id)) {
+  bool is_installed =
+      extensions::ExtensionRegistry::Get(browser_context())->GetExtensionById(
+          details().id, extensions::ExtensionRegistry::EVERYTHING) != nullptr;
+  if (is_installed || tracker->GetActiveInstall(details().id)) {
     return RespondNow(BuildResponse(
         api::webstore_private::RESULT_ALREADY_INSTALLED,
         kAlreadyInstalledError));
   }
   ActiveInstallData install_data(details().id);
   scoped_active_install_.reset(new ScopedActiveInstall(tracker, install_data));
 
   net::URLRequestContextGetter* context_getter = nullptr;
   if (!icon_url.is_empty())
     context_getter = browser_context()->GetRequestContext();
@@ skipping 197 matching lines @@
 
   if (IsAppLauncherEnabled() && approval_->manifest->is_app()) {
     // Show the app list to show download is progressing. Don't show the app
     // list on first app install so users can be trained to open it themselves.
     app_list_service->ShowForAppInstall(
         chrome_details_.GetProfile(),
         params->expected_id,
         approval_->enable_launcher);
   }
 
-  // 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.
-  const Extension* extension = ExtensionRegistry::Get(browser_context())->
-      GetExtensionById(params->expected_id, ExtensionRegistry::EVERYTHING);
-  if (extension && approval_->dummy_extension.get() &&
-      util::IsEphemeralApp(extension->id(), browser_context()) &&
-      extension->version()->CompareTo(*approval_->dummy_extension->version()) >=
-          0) {
-    install_ui::ShowPostInstallUIForApproval(
-        browser_context(), *approval_, extension);
-
-    ExtensionService* extension_service =
-        ExtensionSystem::Get(browser_context())->extension_service();
-    extension_service->PromoteEphemeralApp(extension, false);
-    OnInstallSuccess(extension->id());
-    VLOG(1) << "Install success, sending response";
-    return RespondNow(NoArguments());
-  }
-
   // Balanced in OnExtensionInstallSuccess() or OnExtensionInstallFailure().
   AddRef();
 
   // The extension will install through the normal extension install flow, but
   // the whitelist entry will bypass the normal permissions install dialog.
   scoped_refptr<WebstoreInstaller> installer = new WebstoreInstaller(
       chrome_details_.GetProfile(),
       this,
       chrome_details_.GetAssociatedWebContents(),
       params->expected_id,
@@ skipping 78 matching lines @@
   // The response is sent asynchronously in OnFetchComplete, OnInstallApproval,
   // or OnInstallComplete.
   return RespondLater();
 }
 
 void WebstorePrivateInstallBundleFunction::OnFetchComplete(
     const GURL& url, const SkBitmap* bitmap) {
   BundleInstaller::ItemList items;
   for (const auto& entry : params_->contents) {
     // Skip already-installed items.
-    if (util::IsExtensionInstalledPermanently(entry->id, browser_context()) ||
+    bool is_installed =
+        extensions::ExtensionRegistry::Get(browser_context())->GetExtensionById(
+            entry->id, extensions::ExtensionRegistry::EVERYTHING) != nullptr;
+    if (is_installed ||
         InstallTracker::Get(browser_context())->GetActiveInstall(entry->id)) {
       continue;
     }
     BundleInstaller::Item item;
     item.id = entry->id;
     item.manifest = entry->manifest;
     item.localized_name = entry->localized_name;
     if (entry->icon_url)
       item.icon_url = source_url().Resolve(*entry->icon_url);
     items.push_back(item);
@@ skipping 159 matching lines @@
 WebstorePrivateGetEphemeralAppsEnabledFunction::
     ~WebstorePrivateGetEphemeralAppsEnabledFunction() {}
 
 ExtensionFunction::ResponseAction
 WebstorePrivateGetEphemeralAppsEnabledFunction::Run() {
   return RespondNow(ArgumentList(GetEphemeralAppsEnabled::Results::Create(
       false)));
 }
 
 }  // namespace extensions