Fixes the interactive default browser UX for policy setting

chrome/browser/external_protocol/external_protocol_handler_unittest.cc

Index: chrome/browser/external_protocol/external_protocol_handler_unittest.cc
diff --git a/chrome/browser/external_protocol/external_protocol_handler_unittest.cc b/chrome/browser/external_protocol/external_protocol_handler_unittest.cc
index c7176520087901fabebd3f485afd1140b72b786b..b631125ae986d2877644bb1f4a1674c7d8e535a4 100644
--- a/chrome/browser/external_protocol/external_protocol_handler_unittest.cc
+++ b/chrome/browser/external_protocol/external_protocol_handler_unittest.cc
@@ -17,7 +17,10 @@ class FakeExternalProtocolHandlerWorker
       shell_integration::DefaultWebClientObserver* observer,
       const std::string& protocol,
       shell_integration::DefaultWebClientState os_state)
-      : shell_integration::DefaultProtocolClientWorker(observer, protocol),
+      : shell_integration::DefaultProtocolClientWorker(
+            observer,
+            protocol,
+            /*delete_observer=*/true),
         os_state_(os_state) {}
 
  private:
@@ -30,7 +33,7 @@ class FakeExternalProtocolHandlerWorker
                    this, os_state_));
   }
 
-  void SetAsDefault(bool interactive_permitted) override {
+  void SetAsDefault() override {
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE,
         base::Bind(