Create --disable-extensions-except switch

chrome/browser/extensions/chrome_extensions_browser_client.cc

 // Copyright 2013 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/chrome_extensions_browser_client.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
@@ skipping 68 matching lines @@
 ChromeExtensionsBrowserClient::~ChromeExtensionsBrowserClient() {}
 
 bool ChromeExtensionsBrowserClient::IsShuttingDown() {
   return g_browser_process->IsShuttingDown();
 }
 
 bool ChromeExtensionsBrowserClient::AreExtensionsDisabled(
     const base::CommandLine& command_line,
     content::BrowserContext* context) {
   Profile* profile = static_cast<Profile*>(context);
-  return command_line.HasSwitch(switches::kDisableExtensions) ||
-      profile->GetPrefs()->GetBoolean(prefs::kDisableExtensions);
+  return switches::ExtensionsDisabled(command_line) ||
+         profile->GetPrefs()->GetBoolean(prefs::kDisableExtensions);
 }
 
 bool ChromeExtensionsBrowserClient::IsValidContext(
     content::BrowserContext* context) {
   Profile* profile = static_cast<Profile*>(context);
   return g_browser_process->profile_manager() &&
          g_browser_process->profile_manager()->IsValidProfile(profile);
 }
 
 bool ChromeExtensionsBrowserClient::IsSameContext(
@@ skipping 310 matching lines @@
       new ChromeExtensionBluetoothChooser(frame, event_handler));
 }
 
 bool ChromeExtensionsBrowserClient::IsActivityLoggingEnabled(
     content::BrowserContext* context) {
   ActivityLog* activity_log = ActivityLog::GetInstance(context);
   return activity_log && activity_log->is_active();
 }
 
 }  // namespace extensions