CSP: Permit exempting schemes only for certain policy areas.

Source/core/testing/Internals.cpp

Index: Source/core/testing/Internals.cpp
diff --git a/Source/core/testing/Internals.cpp b/Source/core/testing/Internals.cpp
index 70e7b51614d8b6a18e95a86829d308c69a9fb689..48ed144e940ad0a04b89f6d185dc5b71698ec3af 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -1768,6 +1768,19 @@ void Internals::registerURLSchemeAsBypassingContentSecurityPolicy(const String&
     SchemeRegistry::registerURLSchemeAsBypassingContentSecurityPolicy(scheme);
 }
 
+void Internals::registerURLSchemeAsBypassingContentSecurityPolicy(const String& scheme, const Vector<String>& policyAreas)
+{
+    uint32_t policyAreasEnum = SchemeRegistry::PolicyAreaNone;
+    for (const auto& policyArea : policyAreas) {
+        if (policyArea == "img")
+            policyAreasEnum |= SchemeRegistry::PolicyAreaImage;
+        else if (policyArea == "style")
+            policyAreasEnum |= SchemeRegistry::PolicyAreaStyle;
+    }
+    SchemeRegistry::registerURLSchemeAsBypassingContentSecurityPolicy(
+        scheme, static_cast<SchemeRegistry::PolicyAreas>(policyAreasEnum));
+}
+
 void Internals::removeURLSchemeRegisteredAsBypassingContentSecurityPolicy(const String& scheme)
 {
     SchemeRegistry::removeURLSchemeRegisteredAsBypassingContentSecurityPolicy(scheme);