Disable the "run all plugins" link on the plugins settings bubble if the setting is managed.

chrome/browser/ui/content_settings/content_setting_bubble_model.h

 // Copyright (c) 2012 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 CHROME_BROWSER_UI_CONTENT_SETTINGS_CONTENT_SETTING_BUBBLE_MODEL_H_
 #define CHROME_BROWSER_UI_CONTENT_SETTINGS_CONTENT_SETTING_BUBBLE_MODEL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 139 matching lines @@
   }
   void set_manage_link(const std::string& link) {
     bubble_content_.manage_link = link;
   }
   void add_media_menu(content::MediaStreamType type, const MediaMenu& menu) {
     bubble_content_.media_menus[type] = menu;
   }
   void set_selected_device(const content::MediaStreamDevice& device) {
     bubble_content_.media_menus[device.type].selected_device = device;
   }
+  bool setting_is_managed() {
+    return setting_is_managed_;
+  }
+  void set_setting_is_managed(bool managed) {
+    setting_is_managed_ = managed;
+  }
 
  private:
   content::WebContents* web_contents_;
   Profile* profile_;
   ContentSettingsType content_type_;
   BubbleContent bubble_content_;
   // A registrar for listening for WEB_CONTENTS_DESTROYED notifications.
   content::NotificationRegistrar registrar_;
+  // A flag that indicates if the content setting managed i.e. can't be
+  // controlled by the user.
+  bool setting_is_managed_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentSettingBubbleModel);
 };
 
 class ContentSettingTitleAndLinkModel : public ContentSettingBubbleModel {
  public:
   ContentSettingTitleAndLinkModel(Delegate* delegate,
                                   content::WebContents* web_contents,
                                   Profile* profile,
                                   ContentSettingsType content_type);
@@ skipping 33 matching lines @@
   void IgnoreProtocolHandler();
   void ClearOrSetPreviousHandler();
 
   int selected_item_;
   ProtocolHandlerRegistry* registry_;
   ProtocolHandler pending_handler_;
   ProtocolHandler previous_handler_;
 };
 
 #endif  // CHROME_BROWSER_UI_CONTENT_SETTINGS_CONTENT_SETTING_BUBBLE_MODEL_H_