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

webkit/plugins/npapi/plugin_group.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.
 
 #ifndef WEBKIT_PLUGINS_NPAPI_PLUGIN_GROUP_H_
 #define WEBKIT_PLUGINS_NPAPI_PLUGIN_GROUP_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 61 matching lines @@
 // In addition, it knows about a security "baseline", i.e. the minimum version
 // of a plugin that is needed in order not to exhibit known security
 // vulnerabilities.
 
 class PluginGroup {
  public:
   // Used by about:plugins to disable Reader plugin when internal PDF viewer is
   // enabled.
   static const char* kAdobeReaderGroupName;
   static const char* kAdobeReaderUpdateURL;
+  // Some plug-ins, by default, need user authorization. These plug-ins have:
+  // - A relatively large install base (>= 25%)
+  // - A relatively low usage rate (~10% and below)
+  // - Been targetted successfully by malware authors
+  static const char* kJavaGroupName;
+  static const char* kIcedTeaGroupName;
+  static const char* kQuickTimeGroupName;
+  static const char* kShockwaveGroupName;
 
   PluginGroup(const PluginGroup& other);
 
   ~PluginGroup();
 
   PluginGroup& operator=(const PluginGroup& other);
 
   // Configures the set of plugin name patterns for disabling plugins via
   // enterprise configuration management.
   static void SetPolicyDisabledPluginPatterns(const std::set<string16>& set);
@@ skipping 39 matching lines @@
   // Returns a DictionaryValue with data to save in the preferences.
   DictionaryValue* GetSummary() const;
 
   // Returns the update URL.
   std::string GetUpdateURL() const { return update_url_; }
 
   // Returns true if the highest-priority plugin in this group has known
   // security problems.
   bool IsVulnerable() const;
 
+  // Returns true if this plug-in group always requires user authorization
+  // to run.
+  bool RequiresAuthorization() const;
+
   // Disables all plugins in this group that are older than the
   // minimum version.
   void DisableOutdatedPlugins();
 
   // Parse a version string as used by a plug-in. This method is more lenient
   // in accepting weird version strings than Version::GetFromString().
   static Version* CreateVersionFromString(const string16& version_string);
 
   std::vector<WebPluginInfo> web_plugin_infos() { return web_plugin_infos_; }
 
@@ skipping 56 matching lines @@
   std::vector<VersionRange> version_ranges_;
   scoped_ptr<Version> version_;
   std::vector<WebPluginInfo> web_plugin_infos_;
   std::vector<int> web_plugin_positions_;
 };
 
 }  // namespace npapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_NPAPI_PLUGIN_GROUP_H_