Fix bug where highlight would flash on avatar button on new tab.

Bug: 1123809
Change-Id: Ifddfa6447685322b5a1fd3484718ddcdfa754c55
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2387540Reviewed-by: Caroline Rising <corising@chromium.org>
Commit-Queue: Dana Fried <dfried@chromium.org>
Cr-Commit-Position: refs/heads/master@{#803581}

chrome/browser/ui/views/autofill/payments/local_card_migration_icon_view.cc

@@ -119,7 +119,11 @@ void LocalCardMigrationIconView::UpdateImpl() {
         break;
     }
   } else {
-    SetHighlighted(false);
+    // Fade out inkdrop but only if icon was actually highlighted. Calling
+    // SetHighlighted() can result in a spurious fade-out animation and visual
+    // glitches.
+    if (this->GetHighlighted())
+      SetHighlighted(false);
     // Handle corner cases where users navigate away or close the tab.
     UnpauseAnimation();
   }