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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/174640">174640</a></dd>
<dt>Author</dt> <dd>mkwst@chromium.org</dd>
<dt>Date</dt> <dd>2014-10-12 05:55:45 -0700 (Sun, 12 Oct 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>Referrer Policy: Update <meta name="referrer"> values to match the spec
https://bugs.webkit.org/show_bug.cgi?id=137635
Reviewed by Jochen Eisinger.
Source/WebCore:
The Referrer Policy specification ([Working Draft][WD], [Editor's
draft[ED]) defines different keywords than we originally
implemented. We should support them in the interests of clarity and
interoperability with other browsers implementing the specification.
[WD]: http://www.w3.org/TR/referrer-policy/#referrer-policy-delivery-meta
[ED]: http://w3c.github.io/webappsec/specs/referrer-policy/#referrer-policy-delivery-meta
This patch is a port of Blink's https://codereview.chromium.org/607433002/
Tests: http/tests/security/referrer-policy-conflicting-policies.html
http/tests/security/referrer-policy-https-no-referrer-when-downgrade.html
http/tests/security/referrer-policy-https-no-referrer.html
http/tests/security/referrer-policy-https-unsafe-url.html
http/tests/security/referrer-policy-no-referrer-when-downgrade.html
http/tests/security/referrer-policy-no-referrer.html
* dom/Document.cpp:
(WebCore::Document::processReferrerPolicy):
LayoutTests:
* http/tests/security/referrer-policy-https-no-referrer-expected.txt: Added.
* http/tests/security/referrer-policy-https-no-referrer-when-downgrade-expected.txt: Added.
* http/tests/security/referrer-policy-https-no-referrer-when-downgrade.html: Added.
* http/tests/security/referrer-policy-https-no-referrer.html: Added.
* http/tests/security/referrer-policy-https-unsafe-url-expected.txt: Added.
* http/tests/security/referrer-policy-https-unsafe-url.html: Added.
* http/tests/security/referrer-policy-invalid-expected.txt: Update the error message with new keywords.
* http/tests/security/referrer-policy-no-referrer-expected.txt: Added.
* http/tests/security/referrer-policy-no-referrer-when-downgrade-expected.txt: Added.
* http/tests/security/referrer-policy-no-referrer-when-downgrade.html: Added.
* http/tests/security/referrer-policy-no-referrer.html: Added.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkLayoutTestshttptestssecurityreferrerpolicyinvalidexpectedtxt">trunk/LayoutTests/http/tests/security/referrer-policy-invalid-expected.txt</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoredomDocumentcpp">trunk/Source/WebCore/dom/Document.cpp</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestshttptestssecurityreferrerpolicyhttpsnoreferrerexpectedtxt">trunk/LayoutTests/http/tests/security/referrer-policy-https-no-referrer-expected.txt</a></li>
<li><a href="#trunkLayoutTestshttptestssecurityreferrerpolicyhttpsnoreferrerwhendowngradeexpectedtxt">trunk/LayoutTests/http/tests/security/referrer-policy-https-no-referrer-when-downgrade-expected.txt</a></li>
<li><a href="#trunkLayoutTestshttptestssecurityreferrerpolicyhttpsnoreferrerwhendowngradehtml">trunk/LayoutTests/http/tests/security/referrer-policy-https-no-referrer-when-downgrade.html</a></li>
<li><a href="#trunkLayoutTestshttptestssecurityreferrerpolicyhttpsnoreferrerhtml">trunk/LayoutTests/http/tests/security/referrer-policy-https-no-referrer.html</a></li>
<li><a href="#trunkLayoutTestshttptestssecurityreferrerpolicyhttpsunsafeurlexpectedtxt">trunk/LayoutTests/http/tests/security/referrer-policy-https-unsafe-url-expected.txt</a></li>
<li><a href="#trunkLayoutTestshttptestssecurityreferrerpolicyhttpsunsafeurlhtml">trunk/LayoutTests/http/tests/security/referrer-policy-https-unsafe-url.html</a></li>
<li><a href="#trunkLayoutTestshttptestssecurityreferrerpolicynoreferrerexpectedtxt">trunk/LayoutTests/http/tests/security/referrer-policy-no-referrer-expected.txt</a></li>
<li><a href="#trunkLayoutTestshttptestssecurityreferrerpolicynoreferrerwhendowngradeexpectedtxt">trunk/LayoutTests/http/tests/security/referrer-policy-no-referrer-when-downgrade-expected.txt</a></li>
<li><a href="#trunkLayoutTestshttptestssecurityreferrerpolicynoreferrerwhendowngradehtml">trunk/LayoutTests/http/tests/security/referrer-policy-no-referrer-when-downgrade.html</a></li>
<li><a href="#trunkLayoutTestshttptestssecurityreferrerpolicynoreferrerhtml">trunk/LayoutTests/http/tests/security/referrer-policy-no-referrer.html</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (174639 => 174640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog 2014-10-12 09:32:10 UTC (rev 174639)
+++ trunk/LayoutTests/ChangeLog 2014-10-12 12:55:45 UTC (rev 174640)
</span><span class="lines">@@ -1,3 +1,22 @@
</span><ins>+2014-10-12 Mike West <mkwst@chromium.org>
+
+ Referrer Policy: Update <meta name="referrer"> values to match the spec
+ https://bugs.webkit.org/show_bug.cgi?id=137635
+
+ Reviewed by Jochen Eisinger.
+
+ * http/tests/security/referrer-policy-https-no-referrer-expected.txt: Added.
+ * http/tests/security/referrer-policy-https-no-referrer-when-downgrade-expected.txt: Added.
+ * http/tests/security/referrer-policy-https-no-referrer-when-downgrade.html: Added.
+ * http/tests/security/referrer-policy-https-no-referrer.html: Added.
+ * http/tests/security/referrer-policy-https-unsafe-url-expected.txt: Added.
+ * http/tests/security/referrer-policy-https-unsafe-url.html: Added.
+ * http/tests/security/referrer-policy-invalid-expected.txt: Update the error message with new keywords.
+ * http/tests/security/referrer-policy-no-referrer-expected.txt: Added.
+ * http/tests/security/referrer-policy-no-referrer-when-downgrade-expected.txt: Added.
+ * http/tests/security/referrer-policy-no-referrer-when-downgrade.html: Added.
+ * http/tests/security/referrer-policy-no-referrer.html: Added.
+
</ins><span class="cx"> 2014-10-12 Dhi Aurrahman <diorahman@rockybars.com>
</span><span class="cx">
</span><span class="cx"> Support activation behavior of link element
</span></span></pre></div>
<a id="trunkLayoutTestshttptestssecurityreferrerpolicyhttpsnoreferrerexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/http/tests/security/referrer-policy-https-no-referrer-expected.txt (0 => 174640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/http/tests/security/referrer-policy-https-no-referrer-expected.txt (rev 0)
+++ trunk/LayoutTests/http/tests/security/referrer-policy-https-no-referrer-expected.txt 2014-10-12 12:55:45 UTC (rev 174640)
</span><span class="lines">@@ -0,0 +1,10 @@
</span><ins>+This test checks the default referrer policy when navigating from a secure URL to an insecure URL. The test passes if the printed referrer is empty.
+
+
+
+--------
+Frame: '<!--framePath //<!--frame0-->-->'
+--------
+HTTP Referer header is empty
+Referrer is empty
+
</ins></span></pre></div>
<a id="trunkLayoutTestshttptestssecurityreferrerpolicyhttpsnoreferrerwhendowngradeexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/http/tests/security/referrer-policy-https-no-referrer-when-downgrade-expected.txt (0 => 174640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/http/tests/security/referrer-policy-https-no-referrer-when-downgrade-expected.txt (rev 0)
+++ trunk/LayoutTests/http/tests/security/referrer-policy-https-no-referrer-when-downgrade-expected.txt 2014-10-12 12:55:45 UTC (rev 174640)
</span><span class="lines">@@ -0,0 +1,10 @@
</span><ins>+This test checks the default referrer policy when navigating from a secure URL to an insecure URL. The test passes if the printed referrer is empty.
+
+
+
+--------
+Frame: '<!--framePath //<!--frame0-->-->'
+--------
+HTTP Referer header is empty
+Referrer is empty
+
</ins></span></pre></div>
<a id="trunkLayoutTestshttptestssecurityreferrerpolicyhttpsnoreferrerwhendowngradehtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/http/tests/security/referrer-policy-https-no-referrer-when-downgrade.html (0 => 174640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/http/tests/security/referrer-policy-https-no-referrer-when-downgrade.html (rev 0)
+++ trunk/LayoutTests/http/tests/security/referrer-policy-https-no-referrer-when-downgrade.html 2014-10-12 12:55:45 UTC (rev 174640)
</span><span class="lines">@@ -0,0 +1,19 @@
</span><ins>+<!DOCTYPE html>
+<html>
+<head>
+<script>
+if (window.testRunner) {
+ testRunner.dumpAsText();
+ testRunner.dumpChildFramesAsText();
+ testRunner.waitUntilDone();
+}
+</script>
+</head>
+<body>
+<p>
+This test checks the default referrer policy when navigating from a secure URL
+to an insecure URL. The test passes if the printed referrer is empty.
+</p>
+<iframe src="https://127.0.0.1:8443/security/resources/referrer-policy-start.html?no-referrer-when-downgrade"></iframe>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkLayoutTestshttptestssecurityreferrerpolicyhttpsnoreferrerhtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/http/tests/security/referrer-policy-https-no-referrer.html (0 => 174640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/http/tests/security/referrer-policy-https-no-referrer.html (rev 0)
+++ trunk/LayoutTests/http/tests/security/referrer-policy-https-no-referrer.html 2014-10-12 12:55:45 UTC (rev 174640)
</span><span class="lines">@@ -0,0 +1,19 @@
</span><ins>+<!DOCTYPE html>
+<html>
+<head>
+<script>
+if (window.testRunner) {
+ testRunner.dumpAsText();
+ testRunner.dumpChildFramesAsText();
+ testRunner.waitUntilDone();
+}
+</script>
+</head>
+<body>
+<p>
+This test checks the default referrer policy when navigating from a secure URL
+to an insecure URL. The test passes if the printed referrer is empty.
+</p>
+<iframe src="https://127.0.0.1:8443/security/resources/referrer-policy-start.html?no-referrer"></iframe>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkLayoutTestshttptestssecurityreferrerpolicyhttpsunsafeurlexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/http/tests/security/referrer-policy-https-unsafe-url-expected.txt (0 => 174640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/http/tests/security/referrer-policy-https-unsafe-url-expected.txt (rev 0)
+++ trunk/LayoutTests/http/tests/security/referrer-policy-https-unsafe-url-expected.txt 2014-10-12 12:55:45 UTC (rev 174640)
</span><span class="lines">@@ -0,0 +1,10 @@
</span><ins>+This test checks the always referrer policy when navigating from a secure URL to an insecure URL. The test passes if the printed referrer is https://127.0.0.1:8443/security/resources/referrer-policy-start.html?unsafe-url
+
+
+
+--------
+Frame: '<!--framePath //<!--frame0-->-->'
+--------
+HTTP Referer header is https://127.0.0.1:8443/security/resources/referrer-policy-start.html?unsafe-url
+Referrer is https://127.0.0.1:8443/security/resources/referrer-policy-start.html?unsafe-url
+
</ins></span></pre></div>
<a id="trunkLayoutTestshttptestssecurityreferrerpolicyhttpsunsafeurlhtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/http/tests/security/referrer-policy-https-unsafe-url.html (0 => 174640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/http/tests/security/referrer-policy-https-unsafe-url.html (rev 0)
+++ trunk/LayoutTests/http/tests/security/referrer-policy-https-unsafe-url.html 2014-10-12 12:55:45 UTC (rev 174640)
</span><span class="lines">@@ -0,0 +1,20 @@
</span><ins>+<!DOCTYPE html>
+<html>
+<head>
+<script>
+if (window.testRunner) {
+ testRunner.dumpAsText();
+ testRunner.dumpChildFramesAsText();
+ testRunner.waitUntilDone();
+}
+</script>
+</head>
+<body>
+<p>
+This test checks the always referrer policy when navigating from a secure URL
+to an insecure URL. The test passes if the printed referrer is
+https://127.0.0.1:8443/security/resources/referrer-policy-start.html?unsafe-url
+</p>
+<iframe src="https://127.0.0.1:8443/security/resources/referrer-policy-start.html?unsafe-url"></iframe>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkLayoutTestshttptestssecurityreferrerpolicyinvalidexpectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/http/tests/security/referrer-policy-invalid-expected.txt (174639 => 174640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/http/tests/security/referrer-policy-invalid-expected.txt 2014-10-12 09:32:10 UTC (rev 174639)
+++ trunk/LayoutTests/http/tests/security/referrer-policy-invalid-expected.txt 2014-10-12 12:55:45 UTC (rev 174640)
</span><span class="lines">@@ -1,4 +1,4 @@
</span><del>-CONSOLE MESSAGE: Failed to set referrer policy: The value 'invalid' is not one of 'always', 'default', 'never', or 'origin'. Defaulting to 'never'.
</del><ins>+CONSOLE MESSAGE: Failed to set referrer policy: The value 'invalid' is not one of 'no-referrer', 'origin', 'no-referrer-when-downgrade', or 'unsafe-url'. Defaulting to 'no-referrer'.
</ins><span class="cx"> This test checks an invalid referrer policy when navigating from an insecure URL to another insecure URL. The test passes if the printed referrer is empty.
</span><span class="cx">
</span><span class="cx">
</span></span></pre></div>
<a id="trunkLayoutTestshttptestssecurityreferrerpolicynoreferrerexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/http/tests/security/referrer-policy-no-referrer-expected.txt (0 => 174640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/http/tests/security/referrer-policy-no-referrer-expected.txt (rev 0)
+++ trunk/LayoutTests/http/tests/security/referrer-policy-no-referrer-expected.txt 2014-10-12 12:55:45 UTC (rev 174640)
</span><span class="lines">@@ -0,0 +1,10 @@
</span><ins>+This test checks the never referrer policy when navigating from an insecure URL to another insecure URL. The test passes if the printed referrer is empty.
+
+
+
+--------
+Frame: '<!--framePath //<!--frame0-->-->'
+--------
+HTTP Referer header is empty
+Referrer is empty
+
</ins></span></pre></div>
<a id="trunkLayoutTestshttptestssecurityreferrerpolicynoreferrerwhendowngradeexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/http/tests/security/referrer-policy-no-referrer-when-downgrade-expected.txt (0 => 174640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/http/tests/security/referrer-policy-no-referrer-when-downgrade-expected.txt (rev 0)
+++ trunk/LayoutTests/http/tests/security/referrer-policy-no-referrer-when-downgrade-expected.txt 2014-10-12 12:55:45 UTC (rev 174640)
</span><span class="lines">@@ -0,0 +1,10 @@
</span><ins>+This test checks the default referrer policy when navigating from an insecure URL to another insecure URL. The test passes if the printed referrer is http://127.0.0.1:8000/security/resources/referrer-policy-start.html?no-referrer-when-downgrade
+
+
+
+--------
+Frame: '<!--framePath //<!--frame0-->-->'
+--------
+HTTP Referer header is http://127.0.0.1:8000/security/resources/referrer-policy-start.html?no-referrer-when-downgrade
+Referrer is http://127.0.0.1:8000/security/resources/referrer-policy-start.html?no-referrer-when-downgrade
+
</ins></span></pre></div>
<a id="trunkLayoutTestshttptestssecurityreferrerpolicynoreferrerwhendowngradehtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/http/tests/security/referrer-policy-no-referrer-when-downgrade.html (0 => 174640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/http/tests/security/referrer-policy-no-referrer-when-downgrade.html (rev 0)
+++ trunk/LayoutTests/http/tests/security/referrer-policy-no-referrer-when-downgrade.html 2014-10-12 12:55:45 UTC (rev 174640)
</span><span class="lines">@@ -0,0 +1,20 @@
</span><ins>+<!DOCTYPE html>
+<html>
+<head>
+<script>
+if (window.testRunner) {
+ testRunner.dumpAsText();
+ testRunner.dumpChildFramesAsText();
+ testRunner.waitUntilDone();
+}
+</script>
+</head>
+<body>
+<p>
+This test checks the default referrer policy when navigating from an insecure
+URL to another insecure URL. The test passes if the printed referrer is
+http://127.0.0.1:8000/security/resources/referrer-policy-start.html?no-referrer-when-downgrade
+</p>
+<iframe src="http://127.0.0.1:8000/security/resources/referrer-policy-start.html?no-referrer-when-downgrade"></iframe>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkLayoutTestshttptestssecurityreferrerpolicynoreferrerhtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/http/tests/security/referrer-policy-no-referrer.html (0 => 174640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/http/tests/security/referrer-policy-no-referrer.html (rev 0)
+++ trunk/LayoutTests/http/tests/security/referrer-policy-no-referrer.html 2014-10-12 12:55:45 UTC (rev 174640)
</span><span class="lines">@@ -0,0 +1,19 @@
</span><ins>+<!DOCTYPE html>
+<html>
+<head>
+<script>
+if (window.testRunner) {
+ testRunner.dumpAsText();
+ testRunner.dumpChildFramesAsText();
+ testRunner.waitUntilDone();
+}
+</script>
+</head>
+<body>
+<p>
+This test checks the never referrer policy when navigating from an insecure
+URL to another insecure URL. The test passes if the printed referrer is empty.
+</p>
+<iframe src="http://127.0.0.1:8000/security/resources/referrer-policy-start.html?no-referrer"></iframe>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (174639 => 174640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2014-10-12 09:32:10 UTC (rev 174639)
+++ trunk/Source/WebCore/ChangeLog 2014-10-12 12:55:45 UTC (rev 174640)
</span><span class="lines">@@ -1,3 +1,30 @@
</span><ins>+2014-10-12 Mike West <mkwst@chromium.org>
+
+ Referrer Policy: Update <meta name="referrer"> values to match the spec
+ https://bugs.webkit.org/show_bug.cgi?id=137635
+
+ Reviewed by Jochen Eisinger.
+
+ The Referrer Policy specification ([Working Draft][WD], [Editor's
+ draft[ED]) defines different keywords than we originally
+ implemented. We should support them in the interests of clarity and
+ interoperability with other browsers implementing the specification.
+
+ [WD]: http://www.w3.org/TR/referrer-policy/#referrer-policy-delivery-meta
+ [ED]: http://w3c.github.io/webappsec/specs/referrer-policy/#referrer-policy-delivery-meta
+
+ This patch is a port of Blink's https://codereview.chromium.org/607433002/
+
+ Tests: http/tests/security/referrer-policy-conflicting-policies.html
+ http/tests/security/referrer-policy-https-no-referrer-when-downgrade.html
+ http/tests/security/referrer-policy-https-no-referrer.html
+ http/tests/security/referrer-policy-https-unsafe-url.html
+ http/tests/security/referrer-policy-no-referrer-when-downgrade.html
+ http/tests/security/referrer-policy-no-referrer.html
+
+ * dom/Document.cpp:
+ (WebCore::Document::processReferrerPolicy):
+
</ins><span class="cx"> 2014-10-12 Dhi Aurrahman <diorahman@rockybars.com>
</span><span class="cx">
</span><span class="cx"> Support activation behavior of link element
</span></span></pre></div>
<a id="trunkSourceWebCoredomDocumentcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Document.cpp (174639 => 174640)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Document.cpp 2014-10-12 09:32:10 UTC (rev 174639)
+++ trunk/Source/WebCore/dom/Document.cpp 2014-10-12 12:55:45 UTC (rev 174640)
</span><span class="lines">@@ -3042,17 +3042,19 @@
</span><span class="cx"> {
</span><span class="cx"> ASSERT(!policy.isNull());
</span><span class="cx">
</span><del>- if (equalIgnoringCase(policy, "never"))
- m_referrerPolicy = ReferrerPolicyNever;
- else if (equalIgnoringCase(policy, "always"))
- m_referrerPolicy = ReferrerPolicyAlways;
</del><ins>+ // Note that we're supporting both the standard and legacy keywords for referrer
+ // policies, as defined by http://www.w3.org/TR/referrer-policy/#referrer-policy-delivery-meta
+ if (equalIgnoringCase(policy, "no-referrer") || equalIgnoringCase(policy, "never"))
+ setReferrerPolicy(ReferrerPolicyNever);
+ else if (equalIgnoringCase(policy, "unsafe-url") || equalIgnoringCase(policy, "always"))
+ setReferrerPolicy(ReferrerPolicyAlways);
</ins><span class="cx"> else if (equalIgnoringCase(policy, "origin"))
</span><del>- m_referrerPolicy = ReferrerPolicyOrigin;
- else if (equalIgnoringCase(policy, "default"))
- m_referrerPolicy = ReferrerPolicyDefault;
</del><ins>+ setReferrerPolicy(ReferrerPolicyOrigin);
+ else if (equalIgnoringCase(policy, "no-referrer-when-downgrade") || equalIgnoringCase(policy, "default"))
+ setReferrerPolicy(ReferrerPolicyDefault);
</ins><span class="cx"> else {
</span><del>- addConsoleMessage(MessageSource::Rendering, MessageLevel::Error, "Failed to set referrer policy: The value '" + policy + "' is not one of 'always', 'default', 'never', or 'origin'. Defaulting to 'never'.");
- m_referrerPolicy = ReferrerPolicyNever;
</del><ins>+ addConsoleMessage(MessageSource::Rendering, MessageLevel::Error, "Failed to set referrer policy: The value '" + policy + "' is not one of 'no-referrer', 'origin', 'no-referrer-when-downgrade', or 'unsafe-url'. Defaulting to 'no-referrer'.");
+ setReferrerPolicy(ReferrerPolicyNever);
</ins><span class="cx"> }
</span><span class="cx"> }
</span><span class="cx">
</span></span></pre>
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