Allow "Run all plugins this time" if managed setting is click to play.

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 366 matching lines @@
     // 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_setting_is_managed(setting_source != SETTING_SOURCE_USER);
+  set_setting_is_managed(setting_source != SETTING_SOURCE_USER &&
+                         setting != CONTENT_SETTING_ASK);
   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 899 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;
   }
 }