CSP: Use a specified frame for reporting 'frame-ancestors' violations.

Source/core/loader/DocumentLoader.cpp

Index: Source/core/loader/DocumentLoader.cpp
diff --git a/Source/core/loader/DocumentLoader.cpp b/Source/core/loader/DocumentLoader.cpp
index 55af97f229a4efd328efa4effb99b966d7ad3afd..ce02d07071637a8f09a490bea405b0faa27f4763 100644
--- a/Source/core/loader/DocumentLoader.cpp
+++ b/Source/core/loader/DocumentLoader.cpp
@@ -469,7 +469,7 @@ void DocumentLoader::responseReceived(Resource* resource, const ResourceResponse
     m_contentSecurityPolicy = ContentSecurityPolicy::create();
     m_contentSecurityPolicy->setOverrideURLForSelf(response.url());
     m_contentSecurityPolicy->didReceiveHeaders(ContentSecurityPolicyResponseHeaders(response));
-    if (!m_contentSecurityPolicy->allowAncestors(m_frame)) {
+    if (!m_contentSecurityPolicy->allowAncestors(m_frame, response.url())) {
         cancelLoadAfterXFrameOptionsOrCSPDenied(response);
         return;
     }