Replicate feature policy headers to remote frames

third_party/WebKit/Source/core/dom/SecurityContext.cpp

Index: third_party/WebKit/Source/core/dom/SecurityContext.cpp
diff --git a/third_party/WebKit/Source/core/dom/SecurityContext.cpp b/third_party/WebKit/Source/core/dom/SecurityContext.cpp
index 04e8421cdbd62371c8cb27b46bf2e275b1243f16..4a6c560ea063a533526c0d43ba2c9914f5621d33 100644
--- a/third_party/WebKit/Source/core/dom/SecurityContext.cpp
+++ b/third_party/WebKit/Source/core/dom/SecurityContext.cpp
@@ -99,4 +99,14 @@ void SecurityContext::enforceSuborigin(const Suborigin& suborigin) {
   didUpdateSecurityOrigin();
 }
 
+void SecurityContext::setFeaturePolicyFromHeader(
+    const String& headerValue,
+    FeaturePolicy* parentFeaturePolicy,
+    Vector<String>* messages) {
+  DCHECK(!m_featurePolicy);
+  m_featurePolicy = FeaturePolicy::createFromParentPolicy(parentFeaturePolicy,
+                                                          m_securityOrigin);
+  m_featurePolicy->setHeaderPolicy(headerValue, messages);
+}
+
 }  // namespace blink