Reland of Apply Referrer-Policy header when following redirects

content/shell/browser/shell_url_request_context_getter.cc

Index: content/shell/browser/shell_url_request_context_getter.cc
diff --git a/content/shell/browser/shell_url_request_context_getter.cc b/content/shell/browser/shell_url_request_context_getter.cc
index 3c6782ffd0eaeda0531c24eed45308f492cb1fa6..a0708972ddfba3d7c6f2cfa5aa62be98aa7b6edc 100644
--- a/content/shell/browser/shell_url_request_context_getter.cc
+++ b/content/shell/browser/shell_url_request_context_getter.cc
@@ -114,6 +114,11 @@ ShellURLRequestContextGetter::GetProxyService() {
       std::move(proxy_config_service_), 0, url_request_context_->net_log());
 }
 
+bool ShellURLRequestContextGetter::ShouldEnableReferrerPolicyHeader() {
+  return base::CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnableExperimentalWebPlatformFeatures);
+}
+
 net::URLRequestContext* ShellURLRequestContextGetter::GetURLRequestContext() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
@@ -125,6 +130,10 @@ net::URLRequestContext* ShellURLRequestContextGetter::GetURLRequestContext() {
     url_request_context_->set_net_log(net_log_);
     network_delegate_ = CreateNetworkDelegate();
     url_request_context_->set_network_delegate(network_delegate_.get());
+    // TODO(estark): Remove this once the Referrer-Policy header is no
+    // longer an experimental feature. https://crbug.com/619228
+    url_request_context_->set_enable_referrer_policy_header(
+        ShouldEnableReferrerPolicyHeader());
     storage_.reset(
         new net::URLRequestContextStorage(url_request_context_.get()));
     storage_->set_cookie_store(CreateCookieStore(CookieStoreConfig()));