Expand SecurityStyleChanged interfaces to include explanations

content/public/browser/web_contents_delegate.cc

Index: content/public/browser/web_contents_delegate.cc
diff --git a/content/public/browser/web_contents_delegate.cc b/content/public/browser/web_contents_delegate.cc
index 3f8b87d5cd2633f71e473bcde68228f11cc4aa1a..70f12f6c2ba8ca3f078f8002072d093310e538e1 100644
--- a/content/public/browser/web_contents_delegate.cc
+++ b/content/public/browser/web_contents_delegate.cc
@@ -8,6 +8,7 @@
 #include "base/logging.h"
 #include "base/memory/singleton.h"
 #include "content/public/browser/render_view_host.h"
+#include "content/public/browser/security_style_explanations.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/bindings_policy.h"
 #include "content/public/common/security_style.h"
@@ -226,7 +227,9 @@ bool WebContentsDelegate::SaveFrame(const GURL& url, const Referrer& referrer) {
   return false;
 }
 
-SecurityStyle WebContentsDelegate::GetSecurityStyle(WebContents* web_contents) {
+SecurityStyle WebContentsDelegate::GetSecurityStyle(
+    WebContents* web_contents,
+    SecurityStyleExplanations* security_style_explanations) {
   return content::SECURITY_STYLE_UNKNOWN;
 }