Reland of Trigger Dangerous indicator for unsafe subresources

chrome/browser/safe_browsing/ui_manager.cc

Index: chrome/browser/safe_browsing/ui_manager.cc
diff --git a/chrome/browser/safe_browsing/ui_manager.cc b/chrome/browser/safe_browsing/ui_manager.cc
index 08bff13331e033003506e206a2baa59b9545ddb3..d18f316d4083514be4febec25bf9ab7789c8fe1f 100644
--- a/chrome/browser/safe_browsing/ui_manager.cc
+++ b/chrome/browser/safe_browsing/ui_manager.cc
@@ -82,6 +82,7 @@ namespace safe_browsing {
 
 SafeBrowsingUIManager::UnsafeResource::UnsafeResource()
     : is_subresource(false),
+      is_subframe(false),
       threat_type(SB_THREAT_TYPE_SAFE),
       threat_source(safe_browsing::ThreatSource::UNKNOWN) {}
 
@@ -389,6 +390,9 @@ void SafeBrowsingUIManager::AddToWhitelistUrlSet(const UnsafeResource& resource,
   } else {
     site_list->Insert(whitelisted_url);
   }
+
+  // Notify security UI that security state has changed.
+  web_contents->DidChangeVisibleSecurityState();
 }
 
 bool SafeBrowsingUIManager::IsWhitelisted(const UnsafeResource& resource) {