PlzNavigate: Move navigation-level mixed content checks to the browser.

third_party/WebKit/Source/core/loader/MixedContentCheckerTest.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/loader/MixedContentChecker.h"
 
 #include "core/frame/Settings.h"
 #include "core/loader/EmptyClients.h"
 #include "core/testing/DummyPageHolder.h"
 #include "platform/network/ResourceResponse.h"
 #include "platform/weborigin/KURL.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "testing/gmock/include/gmock/gmock-generated-function-mockers.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "wtf/RefPtr.h"
 #include <base/macros.h>
 #include <memory>
 
 namespace blink {
 
+// Tests that MixedContentChecker::isMixedContent correctly detects or ignores
+// many cases where there is or there is not mixed content, respectively.
+// Note: Renderer side version of
+// MixedContentNavigationThrottleTest.IsMixedContent. Must be kept in sync
+// manually!
 TEST(MixedContentCheckerTest, IsMixedContent) {
   struct TestCase {
     const char* origin;
     const char* target;
     bool expectation;
   } cases[] = {
       {"http://example.com/foo", "http://example.com/foo", false},
       {"http://example.com/foo", "https://example.com/foo", false},
       {"http://example.com/foo", "data:text/html,<p>Hi!</p>", false},
       {"http://example.com/foo", "about:blank", false},
@@ skipping 101 matching lines @@
                               .settings()
                               ->getStrictMixedContentCheckingForPlugin()));
   response2.setURL(displayedUrl);
   EXPECT_CALL(*client, didDisplayContentWithCertificateErrors(displayedUrl));
   MixedContentChecker::handleCertificateError(
       &dummyPageHolder->frame(), response2, WebURLRequest::FrameTypeNone,
       requestContext);
 }
 
 }  // namespace blink