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.cc

 // 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.
 
 #include "chrome/browser/ui/content_settings/content_setting_bubble_model.h"
 
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 343 matching lines @@
     // default) we indicate the blocked state in the UI and allow the user to
     // whitelist.
     radio_group.default_item = 1;
   } else if (setting == CONTENT_SETTING_ALLOW) {
     radio_group.default_item = kAllowButtonIndex;
     // |block_setting_| is already set to |CONTENT_SETTING_BLOCK|.
   } else {
     radio_group.default_item = 1;
     block_setting_ = setting;
   }
+
+  set_managed_setting(setting_source != SETTING_SOURCE_USER);
   if (setting_source != SETTING_SOURCE_USER) {
     set_radio_group_enabled(false);
   } else {
     set_radio_group_enabled(true);
   }
   selected_item_ = radio_group.default_item;
   set_radio_group(radio_group);
 }
 
 void ContentSettingSingleRadioGroup::AddException(ContentSetting setting) {
@@ skipping 68 matching lines @@
 };
 
 ContentSettingPluginBubbleModel::ContentSettingPluginBubbleModel(
     Delegate* delegate,
     WebContents* web_contents,
     Profile* profile,
     ContentSettingsType content_type)
     : ContentSettingSingleRadioGroup(
           delegate, web_contents, profile, content_type) {
   DCHECK_EQ(content_type, CONTENT_SETTINGS_TYPE_PLUGINS);
-  set_custom_link_enabled(web_contents &&
-                          TabSpecificContentSettings::FromWebContents(
-                              web_contents)->load_plugins_link_enabled());
+  // Disable the "Run all plugins this time" link if the setting is managed and
+  // can't be controlled by the user or if the user already clicked on the link
+  // and ran all plugins.
+  if (managed_setting()) {
+    set_custom_link_enabled(false);

[Bernhard Bauer, 2014/01/07 18:08:00]

There is a way to combine these logical expressions ("custom link is enabled
iff...") :)

[markusheintz_, 2014/01/07 18:42:22]

Done.

+  } else {
+    set_custom_link_enabled(web_contents &&
+                            TabSpecificContentSettings::FromWebContents(
+                                web_contents)->load_plugins_link_enabled());
+  }
 }
 
 ContentSettingPluginBubbleModel::~ContentSettingPluginBubbleModel() {
   if (settings_changed()) {
     // If the user elected to allow all plugins then run plugins at this time.
     if (selected_item() == kAllowButtonIndex)
       OnCustomLinkClicked();
   }
 }
 
@@ skipping 791 matching lines @@
   return new ContentSettingSingleRadioGroup(delegate, web_contents, profile,
                                             content_type);
 }
 
 ContentSettingBubbleModel::ContentSettingBubbleModel(
     WebContents* web_contents,
     Profile* profile,
     ContentSettingsType content_type)
     : web_contents_(web_contents),
       profile_(profile),
-      content_type_(content_type) {
+      content_type_(content_type),
+      managed_setting_(false) {
   registrar_.Add(this, content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
                  content::Source<WebContents>(web_contents));
   registrar_.Add(this, chrome::NOTIFICATION_PROFILE_DESTROYED,
                  content::Source<Profile>(profile_));
 }
 
 ContentSettingBubbleModel::~ContentSettingBubbleModel() {
 }
 
 ContentSettingBubbleModel::RadioGroup::RadioGroup() : default_item(0) {}
@@ skipping 22 matching lines @@
   if (type == content::NOTIFICATION_WEB_CONTENTS_DESTROYED) {
     DCHECK_EQ(web_contents_,
               content::Source<WebContents>(source).ptr());
     web_contents_ = NULL;
   } else {
     DCHECK_EQ(chrome::NOTIFICATION_PROFILE_DESTROYED, type);
     DCHECK_EQ(profile_, content::Source<Profile>(source).ptr());
     profile_ = NULL;
   }
 }