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

LayoutTests/http/tests/security/mixedContent/insecure-formSubmission-in-main-frame-blocked.html

Index: LayoutTests/http/tests/security/mixedContent/insecure-formSubmission-in-main-frame-blocked.html
diff --git a/LayoutTests/http/tests/security/mixedContent/insecure-image-in-main-frame-allowed.html b/LayoutTests/http/tests/security/mixedContent/insecure-formSubmission-in-main-frame-blocked.html
similarity index 57%
copy from LayoutTests/http/tests/security/mixedContent/insecure-image-in-main-frame-allowed.html
copy to LayoutTests/http/tests/security/mixedContent/insecure-formSubmission-in-main-frame-blocked.html
index 88175fa3cbc5f39b891ce60a081c06049f8e3a31..7a469e8022c7dda95dfa92d8136380c067a2f7a1 100644
--- a/LayoutTests/http/tests/security/mixedContent/insecure-image-in-main-frame-allowed.html
+++ b/LayoutTests/http/tests/security/mixedContent/insecure-formSubmission-in-main-frame-blocked.html
@@ -7,20 +7,18 @@ if (window.testRunner) {
     testRunner.setCanOpenWindows();
     testRunner.setCloseRemainingWindowsWhenComplete(true);
     testRunner.overridePreference("WebKitAllowDisplayingInsecureContent", false);
-    testRunner.setAllowDisplayOfInsecureContent(true);
 }
 
 window.addEventListener("message", function (e) {
   if (window.testRunner)
-      testRunner.notifyDone();
+    testRunner.notifyDone();
 }, false);
 
 </script>
-<p>This test opens a window that loads an insecure image.  We should trigger
-a mixed content callback even though we've set the preference to block this,
-because we've overriden the preference via a web permission client callback.</p>
+<p>This test opens a window that shows a form with "action" pointing to an insecure
+location. We should not trigger a mixed content callback even though the main frame in the window is HTTPS and the form is pointing to insecure content, because we've set the preference to block this.</p>
 <script>
-window.open("https://127.0.0.1:8443/security/mixedContent/resources/frame-with-insecure-image.html");
+window.open("https://127.0.0.1:8443/security/mixedContent/resources/frame-with-insecure-formSubmission.html");
 </script>
 </body>
 </html>