Implementing mixed content for forms posting to insecure location from secure ones

Source/core/loader/FormSubmission.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 49 matching lines @@
             , m_isMultiPartForm(false)
             , m_encodingType("application/x-www-form-urlencoded", AtomicString::ConstructFromLiteral)
         {
         }
 
         Method method() const { return m_method; }
         static Method parseMethodType(const String&);
         void updateMethodType(const String&);
         static String methodString(Method);
 
-        const String& action() const { return m_action; }
-        void parseAction(const String&);
+        const KURL& action() const { return m_action; }
+        void parseAction(const Document&, const String&);
 
         const AtomicString& target() const { return m_target; }
         void setTarget(const AtomicString& target) { m_target = target; }
 
         const AtomicString& encodingType() const { return m_encodingType; }
         static AtomicString parseEncodingType(const String&);
         void updateEncodingType(const String&);
         bool isMultiPartForm() const { return m_isMultiPartForm; }
 
         const String& acceptCharset() const { return m_acceptCharset; }
         void setAcceptCharset(const String& value) { m_acceptCharset = value; }
 
         void copyFrom(const Attributes&);
 
     private:
         Method m_method;
         bool m_isMultiPartForm;
 
-        String m_action;
+        KURL m_action;
         AtomicString m_target;
         AtomicString m_encodingType;
         String m_acceptCharset;
     };
 
     static PassRefPtr<FormSubmission> create(HTMLFormElement*, const Attributes&, PassRefPtrWillBeRawPtr<Event>, FormSubmissionTrigger);
 
     void populateFrameLoadRequest(FrameLoadRequest&);
 
     KURL requestURL() const;
@@ skipping 26 matching lines @@
     String m_boundary;
     RefPtrWillBePersistent<Event> m_event;
     Referrer m_referrer;
     String m_origin;
     String m_result;
 };
 
 }
 
 #endif // FormSubmission_h