Referrer Policy: Introduce "Origin When Cross-Origin" [2/3]

chrome/browser/referrer_policy_browsertest.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 "base/bind.h"
 #include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
@@ skipping 83 matching lines @@
 
   // Returns a string representation of a given |referrer_policy|.
   std::string ReferrerPolicyToString(blink::WebReferrerPolicy referrer_policy) {
     switch (referrer_policy) {
       case blink::WebReferrerPolicyDefault:
         return "no-meta";
       case blink::WebReferrerPolicyNoReferrerWhenDowngrade:
         return "default";
       case blink::WebReferrerPolicyOrigin:
         return "origin";
+      case blink::WebReferrerPolicyOriginWhenCrossOrigin:
+        return "origin-when-crossorigin";
       case blink::WebReferrerPolicyAlways:
         return "always";
       case blink::WebReferrerPolicyNever:
         return "never";
       default:
         NOTREACHED();
         return "";
     }
   }
 
@@ skipping 461 matching lines @@
   // Verify that the full url of the iframe was used as referrer.
   EXPECT_TRUE(content::ExecuteScriptAndExtractString(
       frame,
       "window.domAutomationController.send(document.title)",
       &title));
   EXPECT_EQ("Referrer is " +
                 test_server_->GetURL("files/referrer-policy-log.html").spec(),
             title);
 }
 
+// Origin When Cross-Origin
+
+IN_PROC_BROWSER_TEST_F(ReferrerPolicyTest,
+                       HttpLeftClickHTTPSRedirectToHTTPOriginWhenCrossOrigin) {
+  RunReferrerTest(blink::WebReferrerPolicyOriginWhenCrossOrigin, START_ON_HTTPS,
+                  REGULAR_LINK, SERVER_REDIRECT_FROM_HTTPS_TO_HTTP, CURRENT_TAB,
+                  blink::WebMouseEvent::ButtonLeft, EXPECT_ORIGIN_AS_REFERRER);
+}
+
+IN_PROC_BROWSER_TEST_F(ReferrerPolicyTest,
+                       HttpLeftClickRedirectToHTTPSOriginWhenCrossOrigin) {
+  RunReferrerTest(blink::WebReferrerPolicyOriginWhenCrossOrigin, START_ON_HTTP,
+                  REGULAR_LINK, SERVER_REDIRECT_FROM_HTTP_TO_HTTPS, CURRENT_TAB,
+                  blink::WebMouseEvent::ButtonLeft, EXPECT_ORIGIN_AS_REFERRER);
+}
+
+IN_PROC_BROWSER_TEST_F(ReferrerPolicyTest,
+                       HttpLeftClickRedirectToHTTPOriginWhenCrossOrigin) {
+  RunReferrerTest(blink::WebReferrerPolicyOriginWhenCrossOrigin, START_ON_HTTP,
+                  REGULAR_LINK, SERVER_REDIRECT_FROM_HTTP_TO_HTTP, CURRENT_TAB,
+                  blink::WebMouseEvent::ButtonLeft, EXPECT_FULL_REFERRER);
+}
+
 // Reduced 'referer' granularity flag tests.
 
 // User initiated navigation, from HTTP to HTTPS via server redirect.
 IN_PROC_BROWSER_TEST_F(ReferrerPolicyTest, HttpLeftClickRedirectDefaultNoFlag) {
   RunReferrerTest(blink::WebReferrerPolicyDefault, START_ON_HTTP, REGULAR_LINK,
                   SERVER_REDIRECT_FROM_HTTP_TO_HTTPS, CURRENT_TAB,
                   blink::WebMouseEvent::ButtonLeft, EXPECT_FULL_REFERRER);
 }
 
 IN_PROC_BROWSER_TEST_F(ReferrerPolicyTest, HttpLeftClickRedirectDefaultFlag) {
   CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kReducedReferrerGranularity);
   RunReferrerTest(blink::WebReferrerPolicyDefault, START_ON_HTTP, REGULAR_LINK,
                   SERVER_REDIRECT_FROM_HTTP_TO_HTTPS, CURRENT_TAB,
                   blink::WebMouseEvent::ButtonLeft, EXPECT_ORIGIN_AS_REFERRER);
 }