Allow command-line arguments to override EF public key

content/public/common/content_client.h

Index: content/public/common/content_client.h
diff --git a/content/public/common/content_client.h b/content/public/common/content_client.h
index d7b02300ec2111b213fb12d36fc46987b557ce2e..316e5b4c11753bfa1dfb04912a19e9a9a8408617 100644
--- a/content/public/common/content_client.h
+++ b/content/public/common/content_client.h
@@ -154,6 +154,9 @@ class CONTENT_EXPORT ContentClient {
   // model decisions.
   virtual bool IsSupplementarySiteIsolationModeEnabled();
 
+  // Gives the embedder a chance to configure origin trials as needed.
+  virtual void InitializeOriginTrials() {}
+
   // Returns the public key to be used for origin trials, or an empty string if
   // origin trials are not enabled in this context.
   virtual base::StringPiece GetOriginTrialPublicKey();