Fixes the interactive default browser UX for policy setting

chrome/browser/custom_handlers/protocol_handler_registry_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
 
 #include <stddef.h>
 
 #include <set>
 
@@ skipping 223 matching lines @@
         ShellIntegration::IS_DEFAULT;
     if (force_failure_)
       state = ShellIntegration::NOT_DEFAULT;
 
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE,
         base::Bind(&FakeProtocolClientWorker::OnCheckIsDefaultComplete, this,
                    state));
   }
 
-  void SetAsDefault(bool interactive_permitted) override {
+  void SetAsDefault() override {
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE,
         base::Bind(&FakeProtocolClientWorker::OnSetAsDefaultAttemptComplete,
                    this, AttemptResult::SUCCESS));
   }
 
  private:
   bool force_failure_;
 };
 
@@ skipping 847 matching lines @@
   // added to pref.
   ASSERT_EQ(InPrefIgnoredHandlerCount(), 2);
   ASSERT_EQ(InMemoryIgnoredHandlerCount(), 4);
 
   registry()->RemoveIgnoredHandler(p2u1);
 
   // p2u1 installed by user and policy, so it is removed from pref alone.
   ASSERT_EQ(InPrefIgnoredHandlerCount(), 1);
   ASSERT_EQ(InMemoryIgnoredHandlerCount(), 4);
 }