content: convert SSL notifications to observer usage

chrome/browser/ssl/ssl_tab_helper.cc

Index: chrome/browser/ssl/ssl_tab_helper.cc
diff --git a/chrome/browser/ssl/ssl_tab_helper.cc b/chrome/browser/ssl/ssl_tab_helper.cc
index ca76decb0115cac984aa49fdbcff3ba02b2e1655..732645c0f1d29038b3fb4fb239746763445b0e96 100644
--- a/chrome/browser/ssl/ssl_tab_helper.cc
+++ b/chrome/browser/ssl/ssl_tab_helper.cc
@@ -20,6 +20,7 @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ssl/ssl_add_cert_handler.h"
 #include "chrome/browser/ssl/ssl_client_certificate_selector.h"
+#include "chrome/browser/ui/browser_finder.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/public/browser/notification_details.h"
@@ -197,6 +198,11 @@ SSLTabHelper::SSLTabHelper(content::WebContents* contents)
 SSLTabHelper::~SSLTabHelper() {
 }
 
+void SSLTabHelper::DidChangeVisibleSSLState() {
+  Browser* browser = chrome::FindBrowserWithWebContents(web_contents_);
+  browser->VisibleSSLStateChanged(web_contents_);
+}
+
 void SSLTabHelper::ShowClientCertificateRequestDialog(
     const net::HttpNetworkSession* network_session,
     net::SSLCertRequestInfo* cert_request_info,