Make Document::isSecureContext() work for OOPIFs

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 82e5f3c7d7c56356a2a91f83b494eee776317cac..dfb4a740b131857913fb0deefc8e1fdedc7a35c0 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -2786,6 +2786,10 @@ void RenderFrameImpl::didEnforceStrictMixedContentChecking() {
   Send(new FrameHostMsg_EnforceStrictMixedContentChecking(routing_id_));
 }
 
+void RenderFrameImpl::didSetUniqueOriginPotentiallyTrustworthy() {
+  Send(new FrameHostMsg_SetUniqueOriginPotentiallyTrustworthy(routing_id_));
+}
+
 void RenderFrameImpl::didChangeSandboxFlags(blink::WebFrame* child_frame,
                                             blink::WebSandboxFlags flags) {
   Send(new FrameHostMsg_DidChangeSandboxFlags(
@@ -4484,6 +4488,10 @@ void RenderFrameImpl::SendDidCommitProvisionalLoad(
   params.should_enforce_strict_mixed_content_checking =
       frame->shouldEnforceStrictMixedContentChecking();
 
+  params.is_potentially_trustworthy_unique_origin =
+      frame->document().securityOrigin().isUnique() &&
+      frame->document().securityOrigin().isPotentiallyTrustworthy();
+
   // Set the URL to be displayed in the browser UI to the user.
   params.url = GetLoadingUrl();
   DCHECK(!is_swapped_out_ || params.url == GURL(kSwappedOutURL));