TEST ONLY: Duplicate FP rather than modifying in place

content/child/blink_platform_impl.cc

Index: content/child/blink_platform_impl.cc
diff --git a/content/child/blink_platform_impl.cc b/content/child/blink_platform_impl.cc
index 0bba73a40c6ac1a1ae4aab33a4a1702a48425798..0b41bff1199ca0e08cb56193556e4d79a0bf3cbe 100644
--- a/content/child/blink_platform_impl.cc
+++ b/content/child/blink_platform_impl.cc
@@ -863,10 +863,13 @@ blink::WebFeaturePolicy* BlinkPlatformImpl::createFeaturePolicy(
   return policy.release();
 }
 
-void BlinkPlatformImpl::resetFeaturePolicyOrigin(
-    blink::WebFeaturePolicy* policy,
-    const blink::WebSecurityOrigin& origin) {
-  static_cast<FeaturePolicy*>(policy)->ResetOrigin(url::Origin(origin));
+blink::WebFeaturePolicy* BlinkPlatformImpl::duplicateFeaturePolicyWithOrigin(
+    const blink::WebFeaturePolicy& policy,
+    const blink::WebSecurityOrigin& new_origin) {
+  std::unique_ptr<FeaturePolicy> new_policy =
+      FeaturePolicy::CreateFromPolicyWithOrigin(
+          static_cast<const FeaturePolicy&>(policy), url::Origin(new_origin));
+  return new_policy.release();
 }
 
 }  // namespace content