Tests that main resource loads always require log/reporting of mixed content.

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

Index: third_party/WebKit/Source/core/loader/MixedContentChecker.cpp
diff --git a/third_party/WebKit/Source/core/loader/MixedContentChecker.cpp b/third_party/WebKit/Source/core/loader/MixedContentChecker.cpp
index 7e93384f0b99cea593cc969970e56594e8cf159b..cd4754e01bc5c52aec2155e3f4a3d65526611723 100644
--- a/third_party/WebKit/Source/core/loader/MixedContentChecker.cpp
+++ b/third_party/WebKit/Source/core/loader/MixedContentChecker.cpp
@@ -182,6 +182,9 @@ void MixedContentChecker::count(Frame* frame, WebURLRequest::RequestContext requ
 // static
 bool MixedContentChecker::shouldBlockFetch(LocalFrame* frame, WebURLRequest::RequestContext requestContext, WebURLRequest::FrameType frameType, ResourceRequest::RedirectStatus redirectStatus, const KURL& url, MixedContentChecker::ReportingStatus reportingStatus)
 {
+    // Tests that all main resource loads (frame navigations) always send a report.
+    DCHECK(frameType == WebURLRequest::FrameTypeNone || reportingStatus == SendReport);
+
     Frame* effectiveFrame = effectiveFrameForFrameType(frame, frameType);
     Frame* mixedFrame = inWhichFrameIsContentMixed(effectiveFrame, frameType, url);
     if (!mixedFrame)