Adding <keygen> Content Setting (Blink)

components/test_runner/web_content_settings.h

Index: components/test_runner/web_content_settings.h
diff --git a/components/test_runner/web_content_settings.h b/components/test_runner/web_content_settings.h
index dab51edc6c0552144720a069f8e8efd6faec088e..91b65135123cf73ace43c08affae6d1a7f77accd 100644
--- a/components/test_runner/web_content_settings.h
+++ b/components/test_runner/web_content_settings.h
@@ -24,6 +24,7 @@ class WebContentSettings : public blink::WebContentSettingsClient {
   bool allowScriptFromSource(bool enabledPerSettings,
                              const blink::WebURL& scriptURL) override;
   bool allowStorage(bool local) override;
+  bool allowKeygen(bool enabledPerSettings) override;
   bool allowPlugins(bool enabledPerSettings) override;
   bool allowDisplayingInsecureContent(bool enabledPerSettings,
                                       const blink::WebSecurityOrigin&,
@@ -37,6 +38,7 @@ class WebContentSettings : public blink::WebContentSettingsClient {
   void SetMediaAllowed(bool);
   void SetScriptsAllowed(bool);
   void SetStorageAllowed(bool);
+  void SetKeygenAllowed(bool);
   void SetPluginsAllowed(bool);
   void SetDisplayingInsecureContentAllowed(bool);
   void SetRunningInsecureContentAllowed(bool);
@@ -55,6 +57,7 @@ class WebContentSettings : public blink::WebContentSettingsClient {
   bool media_allowed_;
   bool scripts_allowed_;
   bool storage_allowed_;
+  bool keygen_allowed_;
   bool plugins_allowed_;
   bool displaying_insecure_content_allowed_;
   bool running_insecure_content_allowed_;