Implement new referrer policies

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 <memory>
 #include "core/MediaTypeNames.h"
 #include "core/css/MediaValuesCached.h"
 #include "core/frame/Settings.h"
@@ skipping 686 matching lines @@
       {"http://example.test",
        "<img referrerpolicy='not-a-valid-policy' src='bla.gif'/>", "bla.gif",
        "http://example.test/", Resource::kImage, 0, kReferrerPolicyDefault,
        nullptr},
       {"http://example.test",
        "<link rel=preload as=image referrerpolicy='origin-when-cross-origin' "
        "href='bla.gif'/>",
        "bla.gif", "http://example.test/", Resource::kImage, 0,
        kReferrerPolicyOriginWhenCrossOrigin, nullptr},
       {"http://example.test",
+       "<link rel=preload as=image referrerpolicy='same-origin' "
+       "href='bla.gif'/>",
+       "bla.gif", "http://example.test/", Resource::kImage, 0,
+       kReferrerPolicySameOrigin, nullptr},
+      {"http://example.test",
+       "<link rel=preload as=image referrerpolicy='strict-origin' "
+       "href='bla.gif'/>",
+       "bla.gif", "http://example.test/", Resource::kImage, 0,
+       kReferrerPolicyStrictOrigin, nullptr},
+      {"http://example.test",
+       "<link rel=preload as=image "
+       "referrerpolicy='strict-origin-when-cross-origin' "
+       "href='bla.gif'/>",
+       "bla.gif", "http://example.test/", Resource::kImage, 0,
+       kReferrerPolicyNoReferrerWhenDowngradeOriginWhenCrossOrigin, nullptr},
+      {"http://example.test",
        "<link rel='stylesheet' href='sheet.css' type='text/css'>", "sheet.css",
        "http://example.test/", Resource::kCSSStyleSheet, 0,
        kReferrerPolicyDefault, nullptr},
       {"http://example.test",
        "<link rel=preload as=image referrerpolicy='origin' "
        "referrerpolicy='origin-when-cross-origin' href='bla.gif'/>",
        "bla.gif", "http://example.test/", Resource::kImage, 0,
        kReferrerPolicyOrigin, nullptr},
       {"http://example.test",
        "<meta name='referrer' content='no-referrer'><img "
@@ skipping 218 matching lines @@
       "sheet.css",
       "http://example.test/",
       Resource::kCSSStyleSheet,
       0,
       kReferrerPolicyAlways,
       "http://whatever.test/"};
   Test(test_case);
 }
 
 }  // namespace blink