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

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

Index: third_party/WebKit/Source/core/loader/MixedContentCheckerTest.cpp
diff --git a/third_party/WebKit/Source/core/loader/MixedContentCheckerTest.cpp b/third_party/WebKit/Source/core/loader/MixedContentCheckerTest.cpp
index 6e1ea8399e6143df76aacdc4b976db34b376d320..04d6166fcea3bc12876a9bdc198933f9bb2f81c9 100644
--- a/third_party/WebKit/Source/core/loader/MixedContentCheckerTest.cpp
+++ b/third_party/WebKit/Source/core/loader/MixedContentCheckerTest.cpp
@@ -18,6 +18,11 @@
 
 namespace blink {
 
+// Tests that many cases where there is or there is not mixed content are
+// correctly detected by MixedContentChecker::isMixedContent.
+// Note: Renderer side version of
+// MixedContentNavigationThrottleTest.IsMixedContent. Must be kept in sync
+// manually!
 TEST(MixedContentCheckerTest, IsMixedContent)
 {
     struct TestCase {