Add a renderer side version of the referrer check in the net library

content/child/resource_dispatcher.cc

Index: content/child/resource_dispatcher.cc
diff --git a/content/child/resource_dispatcher.cc b/content/child/resource_dispatcher.cc
index 3da70c331b6dd391c79474f018086bc7ac75bbbd..70197b56ef77f30846187d53db59300b87b0575c 100644
--- a/content/child/resource_dispatcher.cc
+++ b/content/child/resource_dispatcher.cc
@@ -10,6 +10,7 @@
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/debug/alias.h"
+#include "base/debug/dump_without_crashing.h"
 #include "base/files/file_path.h"
 #include "base/memory/shared_memory.h"
 #include "base/message_loop/message_loop.h"
@@ -117,6 +118,19 @@ IPCResourceLoaderBridge::IPCResourceLoaderBridge(
   request_.first_party_for_cookies = request_info.first_party_for_cookies;
   request_.referrer = request_info.referrer;
   request_.referrer_policy = request_info.referrer_policy;
+  if (request_info.referrer_policy == blink::WebReferrerPolicyDefault &&
+      request_info.referrer.SchemeIsSecure() &&
+      !request_info.url.SchemeIsSecure()) {
+    // TODO(jochen): Remove before beta branches. http://crbug.com/331097
+    char url_buf[128];
+    base::strlcpy(url_buf, request_info.url.spec().c_str(), arraysize(url_buf));
+    base::debug::Alias(url_buf);
+    char ref_buf[128];
+    base::strlcpy(
+        ref_buf, request_info.referrer.spec().c_str(), arraysize(ref_buf));
+    base::debug::Alias(ref_buf);
+    base::debug::DumpWithoutCrashing();
+  }
   request_.headers = request_info.headers;
   request_.load_flags = request_info.load_flags;
   request_.origin_pid = request_info.requestor_pid;