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 15debe08d42f079668b8ce8611a0b4961d34cff4..ce268773717db9bfb059dcb6c77c2c381e47c06c 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -2732,6 +2732,12 @@ void RenderFrameImpl::didEnforceStrictMixedContentChecking() {
   Send(new FrameHostMsg_EnforceStrictMixedContentChecking(routing_id_));
 }
 
+void RenderFrameImpl::didUpdateToUniqueOrigin(
+    bool is_potentially_trustworthy_unique_origin) {
+  Send(new FrameHostMsg_UpdateToUniqueOrigin(
+      routing_id_, is_potentially_trustworthy_unique_origin));
+}
+
 void RenderFrameImpl::didChangeSandboxFlags(blink::WebFrame* child_frame,
                                             blink::WebSandboxFlags flags) {
   Send(new FrameHostMsg_DidChangeSandboxFlags(
@@ -4417,6 +4423,10 @@ void RenderFrameImpl::SendDidCommitProvisionalLoad(
   params.should_enforce_strict_mixed_content_checking =
       frame->shouldEnforceStrictMixedContentChecking();
 
+  params.has_potentially_trustworthy_unique_origin =
+      frame->document().getSecurityOrigin().isUnique() &&
+      frame->document().getSecurityOrigin().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));