content: convert SSL notifications to observer usage

content/browser/ssl/ssl_policy_backend.cc

Index: content/browser/ssl/ssl_policy_backend.cc
diff --git a/content/browser/ssl/ssl_policy_backend.cc b/content/browser/ssl/ssl_policy_backend.cc
index c405b79b7bc838167edbbe5a183943709774245b..91d62f0bcfc540642f25a58c3bc88e70641281fb 100644
--- a/content/browser/ssl/ssl_policy_backend.cc
+++ b/content/browser/ssl/ssl_policy_backend.cc
@@ -6,6 +6,7 @@
 
 #include "content/browser/ssl/ssl_host_state.h"
 #include "content/browser/web_contents/navigation_controller_impl.h"
+#include "content/browser/web_contents/navigation_entry_impl.h"
 #include "content/public/browser/browser_context.h"
 
 namespace content {
@@ -18,7 +19,8 @@ SSLPolicyBackend::SSLPolicyBackend(NavigationControllerImpl* controller)
 
 void SSLPolicyBackend::HostRanInsecureContent(const std::string& host, int id) {
   ssl_host_state_->HostRanInsecureContent(host, id);
-  SSLManager::NotifySSLInternalStateChanged(controller_);
+  controller_->ssl_manager()->UpdateEntry(
+      NavigationEntryImpl::FromNavigationEntry(controller_->GetActiveEntry()));
 }
 
 bool SSLPolicyBackend::DidHostRunInsecureContent(const std::string& host,