Adding <keygen> Content Setting (Android UI)

chrome/browser/content_settings/tab_specific_content_settings.cc

Index: chrome/browser/content_settings/tab_specific_content_settings.cc
diff --git a/chrome/browser/content_settings/tab_specific_content_settings.cc b/chrome/browser/content_settings/tab_specific_content_settings.cc
index 671666c4f5bca883b248ee59a0aec74f12519133..bdbf62920f7dde364eac42bce50fdb9d88c146ed 100644
--- a/chrome/browser/content_settings/tab_specific_content_settings.cc
+++ b/chrome/browser/content_settings/tab_specific_content_settings.cc
@@ -331,6 +331,13 @@ void TabSpecificContentSettings::OnContentBlockedWithDetail(
     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() &&