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

content/common/origin_util.cc

Index: content/common/origin_util.cc
diff --git a/content/common/origin_util.cc b/content/common/origin_util.cc
index 4dfdc6ce8caf7efae0598c82dace3bc6171e8b65..268fe43b74743bb37f4cf058201569e81611744b 100644
--- a/content/common/origin_util.cc
+++ b/content/common/origin_util.cc
@@ -62,10 +62,8 @@ bool IsOriginSecure(const GURL& url) {
   if (ContainsKey(g_trustworthy_whitelist.Get().secure_schemes(), url.scheme()))
     return true;
 
-  if (ContainsKey(g_trustworthy_whitelist.Get().secure_origins(),
-                  url.GetOrigin())) {
+  if (IsOriginWhiteListedTrustworthy(url))
     return true;
-  }
 
   return false;
 }
@@ -82,6 +80,11 @@ bool OriginCanAccessServiceWorkers(const GURL& url) {
   return false;
 }
 
+bool IsOriginWhiteListedTrustworthy(const GURL& url) {
+  return ContainsKey(g_trustworthy_whitelist.Get().secure_origins(),
+                     url.GetOrigin());
+}
+
 void ResetSchemesAndOriginsWhitelistForTesting() {
   g_trustworthy_whitelist.Get().Reset();
 }