PlzNavigate: properly set the initiator of the navigation

net/url_request/url_request_unittest.cc

 // Copyright (c) 2012 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 <memory>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
 #include "build/build_config.h"
@@ skipping 2744 matching lines @@
     req->Start();
     base::RunLoop().Run();
 
     EXPECT_NE(std::string::npos,
               d.data_received().find("StrictSameSiteCookie=1"));
     EXPECT_NE(std::string::npos, d.data_received().find("LaxSameSiteCookie=1"));
     EXPECT_EQ(0, network_delegate.blocked_get_cookies_count());
     EXPECT_EQ(0, network_delegate.blocked_set_cookie_count());
   }
 
+  // Verify that both cookies are sent when the request has no initiator (can
+  // happen for main frame browser-initiated navigations).
+  {
+    TestDelegate d;
+    std::unique_ptr<URLRequest> req(default_context_.CreateRequest(
+        test_server.GetURL(kHost, "/echoheader?Cookie"), DEFAULT_PRIORITY, &d));
+    req->set_first_party_for_cookies(test_server.GetURL(kHost, "/"));
+    req->Start();
+    base::RunLoop().Run();
+
+    EXPECT_NE(std::string::npos,
+              d.data_received().find("StrictSameSiteCookie=1"));
+    EXPECT_NE(std::string::npos, d.data_received().find("LaxSameSiteCookie=1"));
+    EXPECT_EQ(0, network_delegate.blocked_get_cookies_count());
+    EXPECT_EQ(0, network_delegate.blocked_set_cookie_count());
+  }
+
   // Verify that both cookies are sent for same-registrable-domain requests.
   {
     TestDelegate d;
     std::unique_ptr<URLRequest> req(default_context_.CreateRequest(
         test_server.GetURL(kHost, "/echoheader?Cookie"), DEFAULT_PRIORITY, &d));
     req->set_first_party_for_cookies(test_server.GetURL(kSubHost, "/"));
     req->set_initiator(url::Origin(test_server.GetURL(kSubHost, "/")));
     req->Start();
     base::RunLoop().Run();
 
@@ skipping 7859 matching lines @@
   AddTestInterceptor()->set_main_intercept_job(std::move(job));
 
   req->Start();
   req->Cancel();
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(ERR_ABORTED, d.request_status());
   EXPECT_EQ(0, d.received_redirect_count());
 }
 
 }  // namespace net