Adding <keygen> Content Setting (Android UI)

chrome/browser/content_settings/tab_specific_content_settings.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/content_settings/tab_specific_content_settings.h"
 
 #include <list>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 313 matching lines @@
 
 #if defined(OS_ANDROID)
   if (type == CONTENT_SETTINGS_TYPE_POPUPS) {
     // For Android we do not have a persistent button that will always be
     // visible for blocked popups.  Instead we have info bars which could be
     // dismissed.  Have to clear the blocked state so we properly notify the
     // relevant pieces again.
     status.blocked = false;
     status.blockage_indicated_to_user = false;
   }
+
+  if (type == CONTENT_SETTINGS_TYPE_KEYGEN) {
+    HostContentSettingsMap* map = HostContentSettingsMapFactory::GetForProfile(
+        Profile::FromBrowserContext(web_contents()->GetBrowserContext()));
+    GURL url = web_contents()->GetLastCommittedURL();
+    map->SetNarrowestContentSetting(url, url, type, CONTENT_SETTING_ASK);
+  }

[Finnur, 2015/12/01 23:19:57]

I believe this is what you are referring to in your review comment earlier. I
agree, it is a bit strange to have the exception injected on a blocked request,
but this is probably something someone with more expertise on content settings
should weigh in on.

 #endif
 
   if (type == CONTENT_SETTINGS_TYPE_PLUGINS && !details.empty() &&
       std::find(blocked_plugin_names_.begin(), blocked_plugin_names_.end(),
                 details) == blocked_plugin_names_.end()) {
     blocked_plugin_names_.push_back(details);
   }
 
   if (!status.blocked) {
     status.blocked = true;
@@ skipping 516 matching lines @@
       static_cast<MicrophoneCameraStateFlags>(
           TabSpecificContentSettings::MICROPHONE_ACCESSED |
           TabSpecificContentSettings::MICROPHONE_BLOCKED |
           TabSpecificContentSettings::CAMERA_ACCESSED |
           TabSpecificContentSettings::CAMERA_BLOCKED);
   OnMediaStreamPermissionSet(
       web_contents()->GetLastCommittedURL(),
       media_blocked,
       std::string(), std::string(), std::string(), std::string());
 }