Add ReferrerPolicy support to preload

third_party/WebKit/Source/core/html/parser/HTMLPreloadScannerTest.cpp

 // Copyright 2015 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 "core/html/parser/HTMLPreloadScanner.h"
 
 #include "core/MediaTypeNames.h"
 #include "core/css/MediaValuesCached.h"
 #include "core/fetch/ClientHintsPreferences.h"
 #include "core/frame/Settings.h"
@@ skipping 609 matching lines @@
        "bla.gif", "http://example.test/", Resource::Image, 0,
        ReferrerPolicyOrigin},
       {"http://example.test",
        "<img referrerpolicy='not-a-valid-policy' src='bla.gif'/>", "bla.gif",
        "http://example.test/", Resource::Image, 0, ReferrerPolicyDefault},
       {"http://example.test",
        "<meta name='referrer' content='no-referrer'><img "
        "referrerpolicy='origin' src='bla.gif'/>",
        "bla.gif", "http://example.test/", Resource::Image, 0,
        ReferrerPolicyOrigin},
+      {"http://example.test",
+       "<link rel=preload as=image referrerpolicy='origin-when-crossorigin' "

[estark, 2016/10/18 04:55:54]

perhaps a test case with `referrerpolicy='not-a-valid-policy'`?

[Yoav Weiss, 2016/10/20 23:01:37]

Added

+       "href='bla.gif'/>",
+       "bla.gif", "http://example.test/", Resource::Image, 0,
+       ReferrerPolicyOriginWhenCrossOrigin},
+      {"http://example.test",
+       "<link rel=preload as=image referrerpolicy='origin' "
+       "referrerpolicy='origin-when-crossorigin' "
+       "href='bla.gif'/>",
+       "bla.gif", "http://example.test/", Resource::Image, 0,
+       ReferrerPolicyOrigin},
       // The scanner's state is not reset between test cases, so all subsequent test cases have a document referrer policy of no-referrer.
       {"http://example.test",
        "<img referrerpolicy='not-a-valid-policy' src='bla.gif'/>", "bla.gif",
        "http://example.test/", Resource::Image, 0, ReferrerPolicyNever},
       {"http://example.test", "<img src='bla.gif'/>", "bla.gif",
        "http://example.test/", Resource::Image, 0, ReferrerPolicyNever}};
 
   for (const auto& testCase : testCases)
     test(testCase);
 }
@@ skipping 80 matching lines @@
       {"http://example.test",
        "<link rel=preload href=bla as=image media=\"(max-width: 400px)\">",
        nullptr, "http://example.test/", Resource::Image, 0},
   };
 
   for (const auto& testCase : testCases)
     test(testCase);
 }
 
 }  // namespace blink