[MD History] Disable MD History for supervised users.

chrome/browser/ui/webui/md_history_ui.cc

 // Copyright 2015 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/md_history_ui.h"
 
 #include "base/command_line.h"
 #include "build/build_config.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/browsing_history_handler.h"
 #include "chrome/browser/ui/webui/foreign_session_handler.h"
 #include "chrome/browser/ui/webui/history_login_handler.h"
 #include "chrome/browser/ui/webui/metrics_handler.h"
+#include "chrome/common/chrome_features.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "components/prefs/pref_service.h"
 #include "components/search/search.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_data_source.h"
 #include "grit/browser_resources.h"
 #include "grit/components_scaled_resources.h"
 #include "grit/components_strings.h"
@@ skipping 38 matching lines @@
   source->AddLocalizedString("searchPrompt", IDS_MD_HISTORY_SEARCH_PROMPT);
   source->AddLocalizedString("searchResult", IDS_HISTORY_SEARCH_RESULT);
   source->AddLocalizedString("searchResults", IDS_HISTORY_SEARCH_RESULTS);
   source->AddLocalizedString("title", IDS_HISTORY_TITLE);
 
   bool allow_deleting_history =
       prefs->GetBoolean(prefs::kAllowDeletingBrowserHistory);
   source->AddBoolean("allowDeletingHistory", allow_deleting_history);
 
   bool group_by_domain = base::CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kHistoryEnableGroupByDomain);
+      switches::kHistoryEnableGroupByDomain) || profile->IsSupervised();
   source->AddBoolean("groupByDomain", group_by_domain);
 
   source->AddResourcePath("app.html", IDR_MD_HISTORY_APP_HTML);
   source->AddResourcePath("app.js", IDR_MD_HISTORY_APP_JS);
   source->AddResourcePath("browser_service.html",
                           IDR_MD_HISTORY_BROWSER_SERVICE_HTML);
   source->AddResourcePath("browser_service.js",
                           IDR_MD_HISTORY_BROWSER_SERVICE_JS);
   source->AddResourcePath("constants.html", IDR_MD_HISTORY_CONSTANTS_HTML);
   source->AddResourcePath("constants.js", IDR_MD_HISTORY_CONSTANTS_JS);
@@ skipping 41 matching lines @@
     web_ui->AddMessageHandler(new browser_sync::ForeignSessionHandler());
     web_ui->AddMessageHandler(new HistoryLoginHandler());
   }
 
   Profile* profile = Profile::FromWebUI(web_ui);
   content::WebUIDataSource::Add(profile, CreateMdHistoryUIHTMLSource(profile));
 }
 
 MdHistoryUI::~MdHistoryUI() {}
 
+// static
+bool MdHistoryUI::IsEnabled(Profile* profile) {
+  return base::FeatureList::IsEnabled(
+             features::kMaterialDesignHistoryFeature) &&
+         !base::CommandLine::ForCurrentProcess()->HasSwitch(
+             switches::kHistoryEnableGroupByDomain) &&
+         !profile->IsSupervised();
+}
+
+// static
 base::RefCountedMemory* MdHistoryUI::GetFaviconResourceBytes(
     ui::ScaleFactor scale_factor) {
   return ResourceBundle::GetSharedInstance().LoadDataResourceBytesForScale(
       IDR_HISTORY_FAVICON, scale_factor);
 }