Add recommended extension installation support

chrome/browser/ui/webui/extensions/extension_settings_handler.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/ui/webui/extensions/extension_settings_handler.h"
 
 #include "apps/app_load_service.h"
 #include "apps/saved_files_service.h"
 #include "base/auto_reset.h"
 #include "base/base64.h"
@@ skipping 220 matching lines @@
     should_do_verification_check_ = true;
 
   bool corrupt_install =
       (disable_reasons & Extension::DISABLE_CORRUPTED) != 0;
   extension_data->SetBoolean("corruptInstall", corrupt_install);
 
   bool managed_install =
       !management_policy_->UserMayModifySettings(extension, NULL);
   extension_data->SetBoolean("managedInstall", managed_install);
 
+  bool recommended_install =
+      !managed_install &&
+      management_policy_->MustRemainInstalled(extension, NULL);
+  extension_data->SetBoolean("recommendedInstall", recommended_install);
+
   // We should not get into a state where both are true.
-  DCHECK(!managed_install || !suspicious_install);
+  DCHECK(!(managed_install || recommended_install) || !suspicious_install);
 
   GURL icon =
       ExtensionIconSource::GetIconURL(extension,
                                       extension_misc::EXTENSION_ICON_MEDIUM,
                                       ExtensionIconSet::MATCH_BIGGER,
                                       !enabled, NULL);
   if (Manifest::IsUnpackedLocation(extension->location())) {
     extension_data->SetString("path", extension->path().value());
     extension_data->SetString(
         "prettifiedPath",
@@ skipping 50 matching lines @@
        util::AllowedScriptingOnAllUrls(
            extension->id(), extension_service_->GetBrowserContext()));
   extension_data->SetBoolean("wantsAllUrls", wants_all_urls);
   extension_data->SetBoolean(
       "allowAllUrls",
       util::AllowedScriptingOnAllUrls(
           extension->id(),
           extension_service_->GetBrowserContext()));
 
   base::string16 location_text;
-  if (Manifest::IsPolicyLocation(extension->location())) {
+  if (Manifest::IsPolicyLocation(extension->location()) ||
+      (extension->location() == Manifest::EXTERNAL_PREF_DOWNLOAD &&
+       recommended_install)) {
     location_text = l10n_util::GetStringUTF16(
         IDS_OPTIONS_INSTALL_LOCATION_ENTERPRISE);
   } else if (extension->location() == Manifest::INTERNAL &&
       !ManifestURL::UpdatesFromGallery(extension)) {
     location_text = l10n_util::GetStringUTF16(
         IDS_OPTIONS_INSTALL_LOCATION_UNKNOWN);
   } else if (extension->location() == Manifest::EXTERNAL_REGISTRY) {
     location_text = l10n_util::GetStringUTF16(
         IDS_OPTIONS_INSTALL_LOCATION_3RD_PARTY);
   } else if (extension->is_shared_module()) {
@@ skipping 195 matching lines @@
   source->AddString("extensionSettingsOptions",
       l10n_util::GetStringUTF16(IDS_EXTENSIONS_OPTIONS_LINK));
   source->AddString("extensionSettingsPermissions",
       l10n_util::GetStringUTF16(IDS_EXTENSIONS_PERMISSIONS_LINK));
   source->AddString("extensionSettingsVisitWebsite",
       l10n_util::GetStringUTF16(IDS_EXTENSIONS_VISIT_WEBSITE));
   source->AddString("extensionSettingsVisitWebStore",
       l10n_util::GetStringUTF16(IDS_EXTENSIONS_VISIT_WEBSTORE));
   source->AddString("extensionSettingsPolicyControlled",
       l10n_util::GetStringUTF16(IDS_EXTENSIONS_POLICY_CONTROLLED));
+  source->AddString("extensionSettingsPolicyRecommeneded",
+      l10n_util::GetStringUTF16(IDS_EXTENSIONS_POLICY_RECOMMENDED));
   source->AddString("extensionSettingsDependentExtensions",
       l10n_util::GetStringUTF16(IDS_EXTENSIONS_DEPENDENT_EXTENSIONS));
   source->AddString("extensionSettingsSupervisedUser",
       l10n_util::GetStringUTF16(IDS_EXTENSIONS_LOCKED_SUPERVISED_USER));
   source->AddString("extensionSettingsCorruptInstall",
       l10n_util::GetStringUTF16(
           IDS_EXTENSIONS_CORRUPTED_EXTENSION));
   source->AddString("extensionSettingsSuspiciousInstall",
       l10n_util::GetStringFUTF16(
           IDS_EXTENSIONS_ADDED_WITHOUT_KNOWLEDGE,
@@ skipping 877 matching lines @@
     extension_service_->EnableExtension(extension_id);
   } else {
     ExtensionErrorReporter::GetInstance()->ReportError(
         base::UTF8ToUTF16(JoinString(requirement_errors, ' ')),
         true);  // Be noisy.
   }
   requirements_checker_.reset();
 }
 
 }  // namespace extensions