Introduce profile for lock screen apps

chrome/browser/extensions/extension_system_impl.cc

 // Copyright 2014 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/extension_system_impl.h"
 
 #include <algorithm>
 
 #include "base/base_switches.h"
 #include "base/bind.h"
@@ skipping 190 matching lines @@
   service_worker_manager_.reset(new ServiceWorkerManager(profile_));
 
   shared_user_script_master_.reset(new SharedUserScriptMaster(profile_));
 
   // ExtensionService depends on RuntimeData.
   runtime_data_.reset(new RuntimeData(ExtensionRegistry::Get(profile_)));
 
   bool autoupdate_enabled = !profile_->IsGuestSession() &&
                             !profile_->IsSystemProfile();
 #if defined(OS_CHROMEOS)
-  if (!extensions_enabled)
+  if (!extensions_enabled ||
+      chromeos::ProfileHelper::IsLockScreenAppProfile(profile_)) {
     autoupdate_enabled = false;
+  }
 #endif  // defined(OS_CHROMEOS)
   extension_service_.reset(new ExtensionService(
       profile_, base::CommandLine::ForCurrentProcess(),
       profile_->GetPath().AppendASCII(extensions::kInstallDirectoryName),
       ExtensionPrefs::Get(profile_), Blacklist::Get(profile_),
       autoupdate_enabled, extensions_enabled, &ready_));
 
   uninstall_ping_sender_.reset(new UninstallPingSender(
       ExtensionRegistry::Get(profile_), base::Bind(&ShouldSendUninstallPing)));
 
   // These services must be registered before the ExtensionService tries to
   // load any extensions.
   {
     InstallVerifier::Get(profile_)->Init();
     ContentVerifierDelegate::Mode mode =
         ChromeContentVerifierDelegate::GetDefaultMode();
 #if defined(OS_CHROMEOS)
     mode = std::max(mode, ContentVerifierDelegate::BOOTSTRAP);
 #endif  // defined(OS_CHROMEOS)
     if (mode >= ContentVerifierDelegate::BOOTSTRAP)
       content_verifier_->Start();
     info_map()->SetContentVerifier(content_verifier_.get());
-
+#if defined(OS_CHROMEOS)
+    if (chromeos::ProfileHelper::IsLockScreenAppProfile(profile_))
+      info_map()->SetIsLockScreenContext(true);
+#endif
     management_policy_.reset(new ManagementPolicy);
     RegisterManagementPolicyProviders();
   }
 
   // Extension API calls require QuotaService, so create it before loading any
   // extensions.
   quota_service_.reset(new QuotaService);
 
   bool skip_session_extensions = false;
 #if defined(OS_CHROMEOS)
   // Skip loading session extensions if we are not in a user session or if the
   // profile is the sign-in profile, which doesn't correspond to a user session.

[emaxx, 2017/06/23 16:16:30]

nit: Update the comment too?

[tbarzic, 2017/06/23 17:18:40]

Done.

-  skip_session_extensions = !chromeos::LoginState::Get()->IsUserLoggedIn() ||
-                            chromeos::ProfileHelper::IsSigninProfile(profile_);
+  skip_session_extensions =
+      !chromeos::LoginState::Get()->IsUserLoggedIn() ||
+      chromeos::ProfileHelper::IsSigninProfile(profile_) ||
+      chromeos::ProfileHelper::IsLockScreenAppProfile(profile_);
   if (chrome::IsRunningInForcedAppMode()) {
     extension_service_->component_loader()->
         AddDefaultComponentExtensionsForKioskMode(skip_session_extensions);
   } else {
     extension_service_->component_loader()->AddDefaultComponentExtensions(
         skip_session_extensions);
   }
 #else
   extension_service_->component_loader()->AddDefaultComponentExtensions(
       skip_session_extensions);
@@ skipping 201 matching lines @@
 
 void ExtensionSystemImpl::UnregisterExtensionWithRequestContexts(
     const std::string& extension_id,
     const UnloadedExtensionReason reason) {
   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
                           base::BindOnce(&InfoMap::RemoveExtension, info_map(),
                                          extension_id, reason));
 }
 
 }  // namespace extensions