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 11873d63cfd9de6f8b7b2c4592d785abef089e42..b172c71823e7f582bf8e5aab1a9dfd8e55cc6b21 100644
--- a/content/common/origin_util.cc
+++ b/content/common/origin_util.cc
@@ -66,10 +66,8 @@ bool IsOriginSecure(const GURL& url) {
                         url.scheme()))
     return true;
 
-  if (base::ContainsKey(g_trustworthy_whitelist.Get().secure_origins(),
-                        url.GetOrigin())) {
+  if (IsOriginWhiteListedTrustworthy(url))
     return true;
-  }
 
   return false;
 }
@@ -86,6 +84,11 @@ bool OriginCanAccessServiceWorkers(const GURL& url) {
   return false;
 }
 
+bool IsOriginWhiteListedTrustworthy(const GURL& url) {
+  return base::ContainsKey(g_trustworthy_whitelist.Get().secure_origins(),
+                           url.GetOrigin());
+}
+
 void ResetSchemesAndOriginsWhitelistForTesting() {
   g_trustworthy_whitelist.Get().Reset();
 }