Make Document::isSecureContext() work for OOPIFs

third_party/WebKit/public/web/WebRemoteFrame.h

Index: third_party/WebKit/public/web/WebRemoteFrame.h
diff --git a/third_party/WebKit/public/web/WebRemoteFrame.h b/third_party/WebKit/public/web/WebRemoteFrame.h
index 3cef63c3e2368c85f5342e478b1fee4101118ad9..65638c47a4b76f8f98574757bfd2c8faab8b8348 100644
--- a/third_party/WebKit/public/web/WebRemoteFrame.h
+++ b/third_party/WebKit/public/web/WebRemoteFrame.h
@@ -42,6 +42,10 @@ public:
     // Set frame enforcement of strict mixed content checking replicated from another process.
     virtual void setReplicatedShouldEnforceStrictMixedContentChecking(bool) const = 0;
 
+    // Set the frame to a unique origin that is potentially trustworthy,
+    // replicated from another process.
+    virtual void setReplicatedPotentiallyTrustworthyUniqueOrigin(bool) const = 0;
+
     virtual void DispatchLoadEventForFrameOwner() const = 0;
 
     virtual void didStartLoading() = 0;