CSP: Adding the 'upgrade-insecure-requests' directive.

Source/core/dom/SecurityContext.cpp

 /*
  * Copyright (C) 2011 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 18 matching lines @@
 
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "platform/weborigin/SecurityOrigin.h"
 
 namespace blink {
 
 SecurityContext::SecurityContext()
     : m_haveInitializedSecurityOrigin(false)
     , m_sandboxFlags(SandboxNone)
     , m_hostedInReservedIPRange(false)
+    , m_insecureContentPolicy(InsecureContentDoNotUpgrade)
 {
 }
 
 SecurityContext::~SecurityContext()
 {
 }
 
 void SecurityContext::setSecurityOrigin(PassRefPtr<SecurityOrigin> securityOrigin)
 {
     m_securityOrigin = securityOrigin;
@@ skipping 21 matching lines @@
 {
     m_sandboxFlags |= mask;
 
     if (isSandboxed(SandboxOrigin) && securityOrigin() && !securityOrigin()->isUnique()) {
         setSecurityOrigin(SecurityOrigin::createUnique());
         didUpdateSecurityOrigin();
     }
 }
 
 }