Put some plug-ins behind an infobar, where they have:...

chrome/common/chrome_switches.h

 // Copyright (c) 2010 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.
 
 // Defines all the command-line switches used by Chrome.
 
 #ifndef CHROME_COMMON_CHROME_SWITCHES_H_
 #define CHROME_COMMON_CHROME_SWITCHES_H_
 #pragma once
 
 #include "build/build_config.h"
 #include "base/base_switches.h"
 
 namespace switches {
 
 // -----------------------------------------------------------------------------
 // Can't find the switch you are looking for? Try looking in
 // base/base_switches.cc instead.
 // -----------------------------------------------------------------------------
 
 // All switches in alphabetical order. The switches should be documented
 // alongside the definition of their values in the .cc file.
 extern const char kActivateOnLaunch[];
 extern const char kAllowFileAccessFromFiles[];
 extern const char kAllowFileAccess[];
 extern const char kAllowOutdatedPlugins[];
 extern const char kAllowSSLMITMProxies[];
 extern const char kAllowSandboxDebugging[];
 extern const char kAllowScriptingGallery[];
+extern const char kAlwaysAuthorizePlugins[];
 extern const char kAlwaysEnableDevTools[];
 extern const char kApp[];
 extern const char kAppId[];
 extern const char kAppsGalleryReturnTokens[];
 extern const char kAppsGalleryURL[];
 extern const char kAppsGalleryUpdateURL[];
 extern const char kAppsNoThrob[];
 extern const char kAuthNegotiateDelegateWhitelist[];
 extern const char kAuthSchemes[];
 extern const char kAuthServerWhitelist[];
@@ skipping 373 matching lines @@
 
 // Return true if the switches indicate the seccomp sandbox is enabled.
 bool SeccompSandboxEnabled();
 
 // DON'T ADD RANDOM STUFF HERE. Put it in the main section above in
 // alphabetical order, or in one of the ifdefs (also in order in each section).
 
 }  // namespace switches
 
 #endif  // CHROME_COMMON_CHROME_SWITCHES_H_