commit 9e9ec51dbeb1eeeec290eb1c4f5c912cdfa6a148
Author: Ben Rohlfs <brohlfs@google.com>
Date:   Tue Oct 6 15:20:29 2020 +0200

    Do not show attention related hovercard actions to guest users
    
    Bug: Issue 13427
    Change-Id: I66279b92e8c591ef0524d81800f4166a7925f23c

diff --git a/polygerrit-ui/app/elements/shared/gr-hovercard-account/gr-hovercard-account.ts b/polygerrit-ui/app/elements/shared/gr-hovercard-account/gr-hovercard-account.ts
index 35fa015..f9e8800 100644
--- a/polygerrit-ui/app/elements/shared/gr-hovercard-account/gr-hovercard-account.ts
+++ b/polygerrit-ui/app/elements/shared/gr-hovercard-account/gr-hovercard-account.ts
@@ -132,11 +132,15 @@ export class GrHovercardAccount extends GestureEventListeners(
   }
 
   _computeShowActionAddToAttentionSet() {
-    return this.isAttentionEnabled && !this.hasUserAttention;
+    return (
+      this._selfAccount && this.isAttentionEnabled && !this.hasUserAttention
+    );
   }
 
   _computeShowActionRemoveFromAttentionSet() {
-    return this.isAttentionEnabled && this.hasUserAttention;
+    return (
+      this._selfAccount && this.isAttentionEnabled && this.hasUserAttention
+    );
   }
 
   _handleClickAddToAttentionSet() {
diff --git a/polygerrit-ui/app/elements/shared/gr-hovercard-account/gr-hovercard-account_test.js b/polygerrit-ui/app/elements/shared/gr-hovercard-account/gr-hovercard-account_test.js
index 6fd6c51..b3b9564 100644
--- a/polygerrit-ui/app/elements/shared/gr-hovercard-account/gr-hovercard-account_test.js
+++ b/polygerrit-ui/app/elements/shared/gr-hovercard-account/gr-hovercard-account_test.js
@@ -39,6 +39,7 @@ suite('gr-hovercard-account tests', () => {
         new Promise(resolve => { '2'; })
     );
 
+    element._selfAccount = {...ACCOUNT};
     element.account = {...ACCOUNT};
     element._config = {
       change: {enable_attention_set: true},