Initial PlzNavigate RDH-side logic.

content/public/common/resource_devtools_info.cc

Index: content/public/common/resource_devtools_info.cc
diff --git a/content/public/common/resource_devtools_info.cc b/content/public/common/resource_devtools_info.cc
index 657ac3af23f5d33f12a5b1ed80d8273ae6abcf0a..93ea6d14567a5df072813b187b0135818a3c637d 100644
--- a/content/public/common/resource_devtools_info.cc
+++ b/content/public/common/resource_devtools_info.cc
@@ -13,4 +13,15 @@ ResourceDevToolsInfo::ResourceDevToolsInfo()
 ResourceDevToolsInfo::~ResourceDevToolsInfo() {
 }
 
+scoped_refptr<ResourceDevToolsInfo> ResourceDevToolsInfo::DeepCopy() const {
+  scoped_refptr<ResourceDevToolsInfo> new_info = new ResourceDevToolsInfo;
+  new_info->http_status_code = http_status_code;
+  new_info->http_status_text = http_status_text;
+  new_info->request_headers = request_headers;
+  new_info->response_headers = response_headers;
+  new_info->request_headers_text = request_headers_text;
+  new_info->response_headers_text = response_headers_text;
+  return new_info;
+}
+
 }  // namespace content