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

chrome/common/chrome_switches.cc

 // 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.
 
 #include "chrome/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 25 matching lines @@
 const char kAllowSSLMITMProxies[]           = "allow-ssl-mitm-proxies";
 
 // Allows debugging of sandboxed processes (see zygote_main_linux.cc).
 const char kAllowSandboxDebugging[]         = "allow-sandbox-debugging";
 
 // Allows injecting extensions and user scripts on the extensions
 // gallery site. Normally prevented for security reasons, but can be
 // useful for automation testing of the gallery.
 const char kAllowScriptingGallery[]         = "allow-scripting-gallery";
 
+// This prevents Chrome from requiring authorization to run certain widely
+// installed but less commonly used plug-ins.
+const char kAlwaysAuthorizePlugins[]        = "always-authorize-plugins";
+
 // Enable web inspector for all windows, even if they're part of the browser.
 // Allows us to use our dev tools to debug browser windows itself.
 const char kAlwaysEnableDevTools[]          = "always-enable-dev-tools";
 
 // Specifies that the associated value should be launched in "application" mode.
 const char kApp[]                           = "app";
 
 // Specifies that the extension-app with the specified id should be launched
 // according to its configuration.
 const char kAppId[]                         = "app-id";
@@ skipping 1336 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead,
 // please put them in alphabetical order above, or in order inside the
 // appropriate ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches