Fix front-end host creation upon navigation

chrome/browser/devtools/url_constants.cc

Index: chrome/browser/devtools/url_constants.cc
diff --git a/chrome/browser/devtools/url_constants.cc b/chrome/browser/devtools/url_constants.cc
new file mode 100644
index 0000000000000000000000000000000000000000..bab37d36dd14f7377c17c935ef66f4ab4760dc03
--- /dev/null
+++ b/chrome/browser/devtools/url_constants.cc
@@ -0,0 +1,10 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/devtools/url_constants.h"
+
+const char kRemoteFrontendDomain[] = "chrome-devtools-frontend.appspot.com";
+const char kRemoteFrontendBase[] =
+    "https://chrome-devtools-frontend.appspot.com/";
+const char kRemoteFrontendPath[] = "serve_file";