Adding <keygen> Content Setting (Blink)

third_party/WebKit/Source/core/loader/FrameLoaderClient.h

Index: third_party/WebKit/Source/core/loader/FrameLoaderClient.h
diff --git a/third_party/WebKit/Source/core/loader/FrameLoaderClient.h b/third_party/WebKit/Source/core/loader/FrameLoaderClient.h
index 54f3a197b5ab2b6933a76258f5156d18f65e84d0..190320275bea7830ebe3e131f2a2301253956e83 100644
--- a/third_party/WebKit/Source/core/loader/FrameLoaderClient.h
+++ b/third_party/WebKit/Source/core/loader/FrameLoaderClient.h
@@ -174,6 +174,7 @@ public:
 
     virtual bool allowScript(bool enabledPerSettings) { return enabledPerSettings; }
     virtual bool allowScriptFromSource(bool enabledPerSettings, const KURL&) { return enabledPerSettings; }
+    virtual bool allowKeygen() { return false; }
     virtual bool allowPlugins(bool enabledPerSettings) { return enabledPerSettings; }
     virtual bool allowImage(bool enabledPerSettings, const KURL&) { return enabledPerSettings; }
     virtual bool allowMedia(const KURL&) { return true; }
@@ -186,6 +187,8 @@ public:
     // that need to know if JavaScript is enabled but are not necessarily
     // preparing to execute script.
     virtual void didNotAllowScript() { }
+    // This callback is similar, but for keygen.
+    virtual void didNotAllowKeygen() { }
     // This callback is similar, but for plugins.
     virtual void didNotAllowPlugins() { }