Attachment 370751 Details for Bug 185550 – Patch

[patch] Patch

bug-185550-20190528182218.patch (text/plain), 21.70 KB, created by Rob Buis on 2019-05-28 09:22:19 PDT

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Creator: Rob Buis

Created: 2019-05-28 09:22:19 PDT

Size: 21.70 KB

patch

obsolete

>Subversion Revision: 245803
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index bd93c7f731b34485699086b5562394b2d486f293..08a7b46241afa58f1ae76fda7ccc81bb9fc9e1ea 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,44 @@
>+2019-05-28  Rob Buis  <rbuis@igalia.com>
>+
>+        Add referrerpolicy attribute support for <script> elements
>+        https://bugs.webkit.org/show_bug.cgi?id=185550
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        * bindings/js/CachedModuleScriptLoader.cpp:
>+        (WebCore::CachedModuleScriptLoader::load):
>+        * bindings/js/CachedScriptFetcher.cpp:
>+        (WebCore::CachedScriptFetcher::requestModuleScript const):
>+        (WebCore::CachedScriptFetcher::requestScriptWithCache const):
>+        * bindings/js/CachedScriptFetcher.h:
>+        * dom/LoadableClassicScript.cpp:
>+        (WebCore::LoadableClassicScript::load):
>+        * dom/LoadableClassicScript.h:
>+        * dom/LoadableModuleScript.cpp:
>+        (WebCore::LoadableModuleScript::create):
>+        (WebCore::LoadableModuleScript::LoadableModuleScript):
>+        * dom/LoadableModuleScript.h:
>+        * dom/ModuleFetchParameters.h:
>+        (WebCore::ModuleFetchParameters::create):
>+        (WebCore::ModuleFetchParameters::referrerPolicy const):
>+        (WebCore::ModuleFetchParameters::ModuleFetchParameters):
>+        * dom/ScriptElement.cpp:
>+        (WebCore::ScriptElement::requestClassicScript):
>+        (WebCore::ScriptElement::requestModuleScript):
>+        * dom/ScriptElement.h:
>+        * dom/ScriptElementCachedScriptFetcher.cpp:
>+        (WebCore::ScriptElementCachedScriptFetcher::requestModuleScript const):
>+        * dom/ScriptElementCachedScriptFetcher.h:
>+        * html/HTMLScriptElement.cpp:
>+        (WebCore::HTMLScriptElement::setReferrerPolicyForBindings):
>+        (WebCore::HTMLScriptElement::referrerPolicyForBindings const):
>+        (WebCore::HTMLScriptElement::referrerPolicy const):
>+        * html/HTMLScriptElement.h:
>+        * html/HTMLScriptElement.idl:
>+        * svg/SVGScriptElement.cpp:
>+        (WebCore::SVGScriptElement::referrerPolicy const):
>+        * svg/SVGScriptElement.h:
>+
> 2019-05-27  Takashi Komori  <Takashi.Komori@sony.com>
> 
>         [CURL] Fix crashing SocketStreamHandle.
>diff --git a/Source/WebCore/bindings/js/CachedModuleScriptLoader.cpp b/Source/WebCore/bindings/js/CachedModuleScriptLoader.cpp
>index 5fb74e4aba40bef3e015eab7c20a81feba8de608..96c08b3114fc08ec4c33cbb4b078b7aa044fd612 100644
>--- a/Source/WebCore/bindings/js/CachedModuleScriptLoader.cpp
>+++ b/Source/WebCore/bindings/js/CachedModuleScriptLoader.cpp
>@@ -64,7 +64,7 @@ bool CachedModuleScriptLoader::load(Document& document, const URL& sourceURL)
> {
>     ASSERT(!m_cachedScript);
>     String integrity = m_parameters ? m_parameters->integrity() : String { };
>-    m_cachedScript = m_scriptFetcher->requestModuleScript(document, sourceURL, WTFMove(integrity));
>+    m_cachedScript = m_scriptFetcher->requestModuleScript(document, sourceURL, WTFMove(integrity), m_parameters->referrerPolicy());
>     if (!m_cachedScript)
>         return false;
> 
>diff --git a/Source/WebCore/bindings/js/CachedScriptFetcher.cpp b/Source/WebCore/bindings/js/CachedScriptFetcher.cpp
>index 7c87b23938e433e508c0fb80be9c9e6fde382103..da089a622a7ab01da4da270da1e3d8c948a4a501 100644
>--- a/Source/WebCore/bindings/js/CachedScriptFetcher.cpp
>+++ b/Source/WebCore/bindings/js/CachedScriptFetcher.cpp
>@@ -40,12 +40,12 @@ Ref<CachedScriptFetcher> CachedScriptFetcher::create(const String& charset)
>     return adoptRef(*new CachedScriptFetcher(charset));
> }
> 
>-CachedResourceHandle<CachedScript> CachedScriptFetcher::requestModuleScript(Document& document, const URL& sourceURL, String&& integrity) const
>+CachedResourceHandle<CachedScript> CachedScriptFetcher::requestModuleScript(Document& document, const URL& sourceURL, String&& integrity, const ReferrerPolicy& policy) const
> {
>-    return requestScriptWithCache(document, sourceURL, String { }, WTFMove(integrity));
>+    return requestScriptWithCache(document, sourceURL, String { }, WTFMove(integrity), policy);
> }
> 
>-CachedResourceHandle<CachedScript> CachedScriptFetcher::requestScriptWithCache(Document& document, const URL& sourceURL, const String& crossOriginMode, String&& integrity) const
>+CachedResourceHandle<CachedScript> CachedScriptFetcher::requestScriptWithCache(Document& document, const URL& sourceURL, const String& crossOriginMode, String&& integrity, const ReferrerPolicy& policy) const
> {
>     if (!document.settings().isScriptEnabled())
>         return nullptr;
>@@ -56,6 +56,7 @@ CachedResourceHandle<CachedScript> CachedScriptFetcher::requestScriptWithCache(D
>     options.contentSecurityPolicyImposition = hasKnownNonce ? ContentSecurityPolicyImposition::SkipPolicyCheck : ContentSecurityPolicyImposition::DoPolicyCheck;
>     options.sameOriginDataURLFlag = SameOriginDataURLFlag::Set;
>     options.integrity = WTFMove(integrity);
>+    options.referrerPolicy = policy;
> 
>     auto request = createPotentialAccessControlRequest(sourceURL, document, crossOriginMode, WTFMove(options));
>     request.upgradeInsecureRequestIfNeeded(document);
>diff --git a/Source/WebCore/bindings/js/CachedScriptFetcher.h b/Source/WebCore/bindings/js/CachedScriptFetcher.h
>index d5391c697d7cf4f6f5d4079ca272ef77ea9caba7..8e29e28499f725e050706b31981c04b3f0248d16 100644
>--- a/Source/WebCore/bindings/js/CachedScriptFetcher.h
>+++ b/Source/WebCore/bindings/js/CachedScriptFetcher.h
>@@ -26,6 +26,7 @@
> #pragma once
> 
> #include "CachedResourceHandle.h"
>+#include "ReferrerPolicy.h"
> #include <JavaScriptCore/ScriptFetcher.h>
> #include <wtf/text/WTFString.h>
> 
>@@ -36,7 +37,7 @@ class Document;
> 
> class CachedScriptFetcher : public JSC::ScriptFetcher {
> public:
>-    virtual CachedResourceHandle<CachedScript> requestModuleScript(Document&, const URL& sourceURL, String&& integrity) const;
>+    virtual CachedResourceHandle<CachedScript> requestModuleScript(Document&, const URL& sourceURL, String&& integrity, const ReferrerPolicy&) const;
> 
>     static Ref<CachedScriptFetcher> create(const String& charset);
> 
>@@ -54,7 +55,7 @@ protected:
>     {
>     }
> 
>-    CachedResourceHandle<CachedScript> requestScriptWithCache(Document&, const URL& sourceURL, const String& crossOriginMode, String&& integrity) const;
>+    CachedResourceHandle<CachedScript> requestScriptWithCache(Document&, const URL& sourceURL, const String& crossOriginMode, String&& integrity, const ReferrerPolicy&) const;
> 
> private:
>     String m_nonce;
>diff --git a/Source/WebCore/dom/LoadableClassicScript.cpp b/Source/WebCore/dom/LoadableClassicScript.cpp
>index d927e95be269a25ae4336a74b00027c1758fe48a..fa185cc9345ec7752757ac4fadf8c2c4d5fac67b 100644
>--- a/Source/WebCore/dom/LoadableClassicScript.cpp
>+++ b/Source/WebCore/dom/LoadableClassicScript.cpp
>@@ -123,10 +123,10 @@ void LoadableClassicScript::execute(ScriptElement& scriptElement)
>     scriptElement.executeClassicScript(ScriptSourceCode(m_cachedScript.get(), JSC::SourceProviderSourceType::Program, *this));
> }
> 
>-bool LoadableClassicScript::load(Document& document, const URL& sourceURL)
>+bool LoadableClassicScript::load(Document& document, const URL& sourceURL, const ReferrerPolicy& referrerPolicy)
> {
>     ASSERT(!m_cachedScript);
>-    m_cachedScript = requestScriptWithCache(document, sourceURL, crossOriginMode(), String { m_integrity });
>+    m_cachedScript = requestScriptWithCache(document, sourceURL, crossOriginMode(), String { m_integrity }, referrerPolicy);
>     if (!m_cachedScript)
>         return false;
>     m_cachedScript->addClient(*this);
>diff --git a/Source/WebCore/dom/LoadableClassicScript.h b/Source/WebCore/dom/LoadableClassicScript.h
>index 067644a47d1f9d902b4e196aaeffa8a6f95d4f0f..bf1abf65974cb1fb040dd6080ccd0aad7025a93b 100644
>--- a/Source/WebCore/dom/LoadableClassicScript.h
>+++ b/Source/WebCore/dom/LoadableClassicScript.h
>@@ -29,6 +29,7 @@
> #include "CachedResourceHandle.h"
> #include "CachedScript.h"
> #include "LoadableScript.h"
>+#include "ReferrerPolicy.h"
> #include <wtf/TypeCasts.h>
> 
> namespace WebCore {
>@@ -52,7 +53,7 @@ public:
> 
>     void execute(ScriptElement&) final;
> 
>-    bool load(Document&, const URL&);
>+    bool load(Document&, const URL&, const ReferrerPolicy&);
> 
> private:
>     LoadableClassicScript(const String& nonce, const String& integrity, const String& crossOriginMode, const String& charset, const AtomicString& initiatorName, bool isInUserAgentShadowTree)
>diff --git a/Source/WebCore/dom/LoadableModuleScript.cpp b/Source/WebCore/dom/LoadableModuleScript.cpp
>index 322cd3a7392c9bf0e4570d571275daa367748e21..f74e4a71628579ab14f04cb6a1544556522a8faf 100644
>--- a/Source/WebCore/dom/LoadableModuleScript.cpp
>+++ b/Source/WebCore/dom/LoadableModuleScript.cpp
>@@ -34,14 +34,14 @@
> 
> namespace WebCore {
> 
>-Ref<LoadableModuleScript> LoadableModuleScript::create(const String& nonce, const String& integrity, const String& crossOriginMode, const String& charset, const AtomicString& initiatorName, bool isInUserAgentShadowTree)
>+Ref<LoadableModuleScript> LoadableModuleScript::create(const String& nonce, const String& integrity, const ReferrerPolicy& policy, const String& crossOriginMode, const String& charset, const AtomicString& initiatorName, bool isInUserAgentShadowTree)
> {
>-    return adoptRef(*new LoadableModuleScript(nonce, integrity, crossOriginMode, charset, initiatorName, isInUserAgentShadowTree));
>+    return adoptRef(*new LoadableModuleScript(nonce, integrity, policy, crossOriginMode, charset, initiatorName, isInUserAgentShadowTree));
> }
> 
>-LoadableModuleScript::LoadableModuleScript(const String& nonce, const String& integrity, const String& crossOriginMode, const String& charset, const AtomicString& initiatorName, bool isInUserAgentShadowTree)
>+LoadableModuleScript::LoadableModuleScript(const String& nonce, const String& integrity, const ReferrerPolicy& policy, const String& crossOriginMode, const String& charset, const AtomicString& initiatorName, bool isInUserAgentShadowTree)
>     : LoadableScript(nonce, crossOriginMode, charset, initiatorName, isInUserAgentShadowTree)
>-    , m_parameters(ModuleFetchParameters::create(integrity))
>+    , m_parameters(ModuleFetchParameters::create(integrity, policy))
> {
> }
> 
>diff --git a/Source/WebCore/dom/LoadableModuleScript.h b/Source/WebCore/dom/LoadableModuleScript.h
>index 173dca36aa174c3813182490d1aec6f6f7af64d5..8ea6bf99d6bea25cb598266d8cedf105ff2ab188 100644
>--- a/Source/WebCore/dom/LoadableModuleScript.h
>+++ b/Source/WebCore/dom/LoadableModuleScript.h
>@@ -37,7 +37,7 @@ class LoadableModuleScript final : public LoadableScript {
> public:
>     virtual ~LoadableModuleScript();
> 
>-    static Ref<LoadableModuleScript> create(const String& nonce, const String& integrity, const String& crossOriginMode, const String& charset, const AtomicString& initiatorName, bool isInUserAgentShadowTree);
>+    static Ref<LoadableModuleScript> create(const String& nonce, const String& integrity, const ReferrerPolicy&, const String& crossOriginMode, const String& charset, const AtomicString& initiatorName, bool isInUserAgentShadowTree);
> 
>     bool isLoaded() const final;
>     Optional<Error> error() const final;
>@@ -60,7 +60,7 @@ public:
>     UniquedStringImpl* moduleKey() const { return m_moduleKey.get(); }
> 
> private:
>-    LoadableModuleScript(const String& nonce, const String& integrity, const String& crossOriginMode, const String& charset, const AtomicString& initiatorName, bool isInUserAgentShadowTree);
>+    LoadableModuleScript(const String& nonce, const String& integrity, const ReferrerPolicy&, const String& crossOriginMode, const String& charset, const AtomicString& initiatorName, bool isInUserAgentShadowTree);
> 
>     Ref<ModuleFetchParameters> m_parameters;
>     RefPtr<UniquedStringImpl> m_moduleKey;
>diff --git a/Source/WebCore/dom/ModuleFetchParameters.h b/Source/WebCore/dom/ModuleFetchParameters.h
>index 24849b6f67b2c01e2c91fb9a4733de7ee4b03044..fbc96e043d923934013843682203fa23de41a647 100644
>--- a/Source/WebCore/dom/ModuleFetchParameters.h
>+++ b/Source/WebCore/dom/ModuleFetchParameters.h
>@@ -31,20 +31,23 @@ namespace WebCore {
> 
> class ModuleFetchParameters : public JSC::ScriptFetchParameters {
> public:
>-    static Ref<ModuleFetchParameters> create(const String& integrity)
>+    static Ref<ModuleFetchParameters> create(const String& integrity, const ReferrerPolicy& referrerPolicy)
>     {
>-        return adoptRef(*new ModuleFetchParameters(integrity));
>+        return adoptRef(*new ModuleFetchParameters(integrity, referrerPolicy));
>     }
> 
>     const String& integrity() const { return m_integrity; }
>+    const ReferrerPolicy& referrerPolicy() const { return m_referrerPolicy; }
> 
> private:
>-    ModuleFetchParameters(const String& integrity)
>+    ModuleFetchParameters(const String& integrity, const ReferrerPolicy& referrerPolicy)
>         : m_integrity(integrity)
>+        , m_referrerPolicy(referrerPolicy)
>     {
>     }
> 
>     String m_integrity;
>+    ReferrerPolicy m_referrerPolicy;
> };
> 
> } // namespace WebCore
>diff --git a/Source/WebCore/dom/ScriptElement.cpp b/Source/WebCore/dom/ScriptElement.cpp
>index 063d64d2518518d27580f2d2dafaeca6c6c93d9d..95c8b0791d18210252801f68681f54ae82fe5d72 100644
>--- a/Source/WebCore/dom/ScriptElement.cpp
>+++ b/Source/WebCore/dom/ScriptElement.cpp
>@@ -288,7 +288,7 @@ bool ScriptElement::requestClassicScript(const String& sourceURL)
>             scriptCharset(),
>             m_element.localName(),
>             m_element.isInUserAgentShadowTree());
>-        if (script->load(m_element.document(), m_element.document().completeURL(sourceURL))) {
>+        if (script->load(m_element.document(), m_element.document().completeURL(sourceURL), referrerPolicy())) {
>             m_loadableScript = WTFMove(script);
>             m_isExternalScript = true;
>         }
>@@ -335,6 +335,7 @@ bool ScriptElement::requestModuleScript(const TextPosition& scriptStartPosition)
>         auto script = LoadableModuleScript::create(
>             nonce,
>             m_element.document().settings().subresourceIntegrityEnabled() ? m_element.attributeWithoutSynchronization(HTMLNames::integrityAttr).string() : emptyString(),
>+            referrerPolicy(),
>             crossOriginMode,
>             scriptCharset(),
>             m_element.localName(),
>@@ -344,7 +345,7 @@ bool ScriptElement::requestModuleScript(const TextPosition& scriptStartPosition)
>         return true;
>     }
> 
>-    auto script = LoadableModuleScript::create(nonce, emptyString(), crossOriginMode, scriptCharset(), m_element.localName(), m_element.isInUserAgentShadowTree());
>+    auto script = LoadableModuleScript::create(nonce, emptyString(), referrerPolicy(), crossOriginMode, scriptCharset(), m_element.localName(), m_element.isInUserAgentShadowTree());
> 
>     TextPosition position = m_element.document().isInDocumentWrite() ? TextPosition() : scriptStartPosition;
>     ScriptSourceCode sourceCode(scriptContent(), URL(m_element.document().url()), position, JSC::SourceProviderSourceType::Module, script.copyRef());
>diff --git a/Source/WebCore/dom/ScriptElement.h b/Source/WebCore/dom/ScriptElement.h
>index ac1d7d4dff880fb32ab641d1659b1d422f96ecca..4fed24ce775d8db34feb4403cf9c186fd2943162 100644
>--- a/Source/WebCore/dom/ScriptElement.h
>+++ b/Source/WebCore/dom/ScriptElement.h
>@@ -23,6 +23,7 @@
> 
> #include "ContainerNode.h"
> #include "LoadableScript.h"
>+#include "ReferrerPolicy.h"
> #include "UserGestureIndicator.h"
> #include <wtf/MonotonicTime.h>
> #include <wtf/text/TextPosition.h>
>@@ -113,6 +114,7 @@ private:
>     virtual bool hasDeferAttribute() const = 0;
>     virtual bool hasSourceAttribute() const = 0;
>     virtual bool hasNoModuleAttribute() const = 0;
>+    virtual ReferrerPolicy referrerPolicy() const = 0;
> 
>     Element& m_element;
>     WTF::OrdinalNumber m_startLineNumber;
>diff --git a/Source/WebCore/dom/ScriptElementCachedScriptFetcher.cpp b/Source/WebCore/dom/ScriptElementCachedScriptFetcher.cpp
>index 843da203123c1283c089b396bb62b9ae4bd36c6b..ccf71dca95958518e92fc3c2cd975aae711870ba 100644
>--- a/Source/WebCore/dom/ScriptElementCachedScriptFetcher.cpp
>+++ b/Source/WebCore/dom/ScriptElementCachedScriptFetcher.cpp
>@@ -31,12 +31,12 @@
> 
> namespace WebCore {
> 
>-CachedResourceHandle<CachedScript> ScriptElementCachedScriptFetcher::requestModuleScript(Document& document, const URL& sourceURL, String&& integrity) const
>+CachedResourceHandle<CachedScript> ScriptElementCachedScriptFetcher::requestModuleScript(Document& document, const URL& sourceURL, String&& integrity, const ReferrerPolicy& policy) const
> {
>     // https://github.com/tc39/proposal-dynamic-import/blob/master/HTML Integration.md
>     // If the fetcher is not module script, credential mode is always "omit".
> 
>-    return requestScriptWithCache(document, sourceURL, isClassicScript() ? "omit"_s : m_crossOriginMode, WTFMove(integrity));
>+    return requestScriptWithCache(document, sourceURL, isClassicScript() ? "omit"_s : m_crossOriginMode, WTFMove(integrity), policy);
> }
> 
> }
>diff --git a/Source/WebCore/dom/ScriptElementCachedScriptFetcher.h b/Source/WebCore/dom/ScriptElementCachedScriptFetcher.h
>index 03c3896dbed8e462aa9916d8ac7ba68f90ef3fd6..afb93076f1317b52373c530ffa957d2e2cec7774 100644
>--- a/Source/WebCore/dom/ScriptElementCachedScriptFetcher.h
>+++ b/Source/WebCore/dom/ScriptElementCachedScriptFetcher.h
>@@ -31,7 +31,7 @@ namespace WebCore {
> 
> class ScriptElementCachedScriptFetcher : public CachedScriptFetcher {
> public:
>-    virtual CachedResourceHandle<CachedScript> requestModuleScript(Document&, const URL& sourceURL, String&& integrity) const;
>+    virtual CachedResourceHandle<CachedScript> requestModuleScript(Document&, const URL& sourceURL, String&& integrity, const ReferrerPolicy&) const;
> 
>     virtual bool isClassicScript() const = 0;
>     virtual bool isModuleScript() const = 0;
>diff --git a/Source/WebCore/html/HTMLScriptElement.cpp b/Source/WebCore/html/HTMLScriptElement.cpp
>index 60610984024c18dcceeb02a78c380d946feeaa74..be83843e3b30865653adf91a3e31d0acfeb63458 100644
>--- a/Source/WebCore/html/HTMLScriptElement.cpp
>+++ b/Source/WebCore/html/HTMLScriptElement.cpp
>@@ -184,4 +184,42 @@ Ref<Element> HTMLScriptElement::cloneElementWithoutAttributesAndChildren(Documen
>     return adoptRef(*new HTMLScriptElement(tagQName(), targetDocument, false, alreadyStarted()));
> }
> 
>+void HTMLScriptElement::setReferrerPolicyForBindings(const AtomicString& value)
>+{
>+    setAttributeWithoutSynchronization(referrerpolicyAttr, value);
>+}
>+
>+String HTMLScriptElement::referrerPolicyForBindings() const
>+{
>+    switch (referrerPolicy()) {
>+    case ReferrerPolicy::NoReferrer:
>+        return "no-referrer"_s;
>+    case ReferrerPolicy::UnsafeUrl:
>+        return "unsafe-url"_s;
>+    case ReferrerPolicy::Origin:
>+        return "origin"_s;
>+    case ReferrerPolicy::OriginWhenCrossOrigin:
>+        return "origin-when-cross-origin"_s;
>+    case ReferrerPolicy::SameOrigin:
>+        return "same-origin"_s;
>+    case ReferrerPolicy::StrictOrigin:
>+        return "strict-origin"_s;
>+    case ReferrerPolicy::StrictOriginWhenCrossOrigin:
>+        return "strict-origin-when-cross-origin"_s;
>+    case ReferrerPolicy::NoReferrerWhenDowngrade:
>+        return "no-referrer-when-downgrade"_s;
>+    case ReferrerPolicy::EmptyString:
>+        return { };
>+    }
>+    ASSERT_NOT_REACHED();
>+    return { };
>+}
>+
>+ReferrerPolicy HTMLScriptElement::referrerPolicy() const
>+{
>+    if (RuntimeEnabledFeatures::sharedFeatures().referrerPolicyAttributeEnabled())
>+        return parseReferrerPolicy(attributeWithoutSynchronization(referrerpolicyAttr), ReferrerPolicySource::ReferrerPolicyAttribute).valueOr(ReferrerPolicy::EmptyString);
>+    return ReferrerPolicy::EmptyString;
>+}
>+
> }
>diff --git a/Source/WebCore/html/HTMLScriptElement.h b/Source/WebCore/html/HTMLScriptElement.h
>index bd1e3ed2f25ede6d92398715d7914793fde0f516..4a0977f34292851a8d9bfa6cdabe683bb8970372 100644
>--- a/Source/WebCore/html/HTMLScriptElement.h
>+++ b/Source/WebCore/html/HTMLScriptElement.h
>@@ -44,6 +44,10 @@ public:
>     WEBCORE_EXPORT void setCrossOrigin(const AtomicString&);
>     WEBCORE_EXPORT String crossOrigin() const;
> 
>+    void setReferrerPolicyForBindings(const AtomicString&);
>+    String referrerPolicyForBindings() const;
>+    ReferrerPolicy referrerPolicy() const final;
>+
>     using HTMLElement::ref;
>     using HTMLElement::deref;
> 
>diff --git a/Source/WebCore/html/HTMLScriptElement.idl b/Source/WebCore/html/HTMLScriptElement.idl
>index cb9e6b14e39eec153c3bc72aafb237555f3562a4..6a7fc601fcb7c23bd5a4af0538a530219498b7e8 100644
>--- a/Source/WebCore/html/HTMLScriptElement.idl
>+++ b/Source/WebCore/html/HTMLScriptElement.idl
>@@ -31,4 +31,5 @@ interface HTMLScriptElement : HTMLElement {
>     [Reflect] attribute DOMString nonce;
>     [CEReactions=NotNeeded, Reflect] attribute boolean noModule;
>     [CEReactions=NotNeeded, Reflect, EnabledBySetting=SubresourceIntegrity] attribute DOMString integrity;
>+    [EnabledAtRuntime=ReferrerPolicyAttribute, ImplementedAs=referrerPolicyForBindings, CEReactions=NotNeeded] attribute DOMString referrerPolicy;
> };
>diff --git a/Source/WebCore/svg/SVGScriptElement.cpp b/Source/WebCore/svg/SVGScriptElement.cpp
>index 1e09454247ea1aa5e88fc75f790523b906fb3945..7d73f3a81e3bce07cf1d02fc48f5ed45266d7be2 100644
>--- a/Source/WebCore/svg/SVGScriptElement.cpp
>+++ b/Source/WebCore/svg/SVGScriptElement.cpp
>@@ -101,4 +101,9 @@ Ref<Element> SVGScriptElement::cloneElementWithoutAttributesAndChildren(Document
>     return adoptRef(*new SVGScriptElement(tagQName(), targetDocument, false, alreadyStarted()));
> }
> 
>+ReferrerPolicy SVGScriptElement::referrerPolicy() const
>+{
>+    return ReferrerPolicy::EmptyString;
>+}
>+
> }
>diff --git a/Source/WebCore/svg/SVGScriptElement.h b/Source/WebCore/svg/SVGScriptElement.h
>index f15f3b7cf6f93af148d5032a10dd2b0167afabaf..8313a2d88d12b5f2f72517cac483bb4906b98dd2 100644
>--- a/Source/WebCore/svg/SVGScriptElement.h
>+++ b/Source/WebCore/svg/SVGScriptElement.h
>@@ -82,6 +82,8 @@ private:
>     bool filterOutAnimatableAttribute(const QualifiedName& name) const final { return name == SVGNames::typeAttr; }
> #endif
> 
>+    ReferrerPolicy referrerPolicy() const final;
>+
>     PropertyRegistry m_propertyRegistry { *this };
>     Timer m_svgLoadEventTimer;
> };

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Attachments on bug 185550: 370716 | 370751 | 370759 | 370761 | 370765 | 370768 | 370772 | 370833 | 370835 | 370870 | 370878 | 370884 | 370886 | 370889 | 370892 | 370918 | 370926 | 370928 | 370931 | 370933 | 370936 | 370939 | 374201 | 374204