PlzNavigate: Move navigation-level mixed content checks to the browser.

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 01c9c0897ea087977474a91e4ce3c0f758710243..86e4d8df7a1b8814063f9eef4703f00694e23b58 100644
--- a/content/public/browser/web_contents_delegate.cc
+++ b/content/public/browser/web_contents_delegate.cc
@@ -15,6 +15,7 @@
 #include "content/public/common/url_constants.h"
 #include "net/cert/x509_certificate.h"
 #include "ui/gfx/geometry/rect.h"
+#include "url/origin.h"
 
 namespace content {
 
@@ -272,4 +273,15 @@ void WebContentsDelegate::RequestAppBannerFromDevTools(
     content::WebContents* web_contents) {
 }
 
+void WebContentsDelegate::PassiveInsecureContentFound(
+    const GURL& resource_url) {}
+
+bool WebContentsDelegate::ShouldAllowRunningInsecureContent(
+    bool allowed_per_settings,
+    const url::Origin& origin,
+    const GURL& resource_url,
+    WebContents* web_contents) {
+  return allowed_per_settings;
+}
+
 }  // namespace content