PS - Remove Clipboard Read permission from extensions in Public Sessions (except for whitelisted on…

chrome/browser/extensions/scripting_permissions_modifier.cc

Index: chrome/browser/extensions/scripting_permissions_modifier.cc
diff --git a/chrome/browser/extensions/scripting_permissions_modifier.cc b/chrome/browser/extensions/scripting_permissions_modifier.cc
index 288dd2f16b1a295dbfc06147a2b91839ef849527..2fcd870f582738df9b2906afe34de945631f0dd3 100644
--- a/chrome/browser/extensions/scripting_permissions_modifier.cc
+++ b/chrome/browser/extensions/scripting_permissions_modifier.cc
@@ -277,6 +277,17 @@ void ScriptingPermissionsModifier::WithholdPermissions(
                         withheld_explicit_hosts, withheld_scriptable_hosts));
 }
 
+#if defined(OS_CHROMEOS)
+void ScriptingPermissionsModifier::WithholdClipboardRead() {
+  APIPermissionSet api_permission_set;
+  api_permission_set.insert(APIPermission::kClipboardRead);
+  PermissionSet permissions(api_permission_set, ManifestPermissionSet(),
+                            URLPatternSet(), URLPatternSet());
+  PermissionsUpdater(browser_context_)
+      .RemovePermissionsUnsafe(extension_.get(), permissions);
+}
+#endif
+
 void ScriptingPermissionsModifier::GrantWithheldImpliedAllHosts() {
   const PermissionSet& withheld =
       extension_->permissions_data()->withheld_permissions();