Block redirects to renderer-debug urls.

content/browser/child_process_security_policy_impl.cc

Index: content/browser/child_process_security_policy_impl.cc
diff --git a/content/browser/child_process_security_policy_impl.cc b/content/browser/child_process_security_policy_impl.cc
index 779aa5b398a5868d21dd407cf5a658a7f22ca328..9a935795f7a6a5610310e025e0ac098c2f26e532 100644
--- a/content/browser/child_process_security_policy_impl.cc
+++ b/content/browser/child_process_security_policy_impl.cc
@@ -671,6 +671,21 @@ bool ChildProcessSecurityPolicyImpl::CanRequestURL(
          !net::URLRequest::IsHandledURL(url);
 }
 
+bool ChildProcessSecurityPolicyImpl::CanRedirectToURL(const GURL& url) {
+  if (!url.is_valid())
+    return false;  // Can't redirect to invalid URLs.
+
+  const std::string& scheme = url.scheme();
+
+  if (IsPseudoScheme(scheme)) {
+    // Redirects to a pseudo scheme (about, javascript, view-source, ...) are
+    // not allowed. An exception is made for <about:blank> and its variations.
+    return url.IsAboutBlank();
+  }
+
+  return true;
+}
+
 bool ChildProcessSecurityPolicyImpl::CanCommitURL(int child_id,
                                                   const GURL& url) {
   if (!url.is_valid())