Downgrade the security of a secured page when plugins make insecure calls

Source/core/loader/MixedContentChecker.cpp

 /*
  * Copyright (C) 2012 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
@@ skipping 254 matching lines @@
             client->didDisplayInsecureContent();
         break;
 
     case ContextTypeBlockable:
         allowed = client->allowRunningInsecureContent(settings && settings->allowRunningOfInsecureContent(), securityOrigin, url);
         if (allowed)
             client->didRunInsecureContent(securityOrigin, url);
         break;
 
     case ContextTypeShouldBeBlockable:
-        return false;
+        allowed = true;
+        client->didDisplayInsecureContent();
+        break;
 
     case ContextTypeBlockableUnlessLax:
         // We map this to either OptionallyBlockable or Blockable above.
         ASSERT_NOT_REACHED();
         return true;
     };
 
     if (reportingStatus == SendReport)
         logToConsole(frame, url, resourceRequest.requestContext(), allowed);
     return !allowed;
@@ skipping 130 matching lines @@
     if (Platform::current()->isReservedIPAddress(resourceIP) && !Platform::current()->isReservedIPAddress(documentIP))
         UseCounter::count(frame->document(), UseCounter::MixedContentPrivateHostnameInPublicHostname);
 }
 
 void MixedContentChecker::trace(Visitor* visitor)
 {
     visitor->trace(m_frame);
 }
 
 } // namespace blink