Fixes the interactive default browser UX for policy setting

chrome/browser/browser_process_impl.cc

Index: chrome/browser/browser_process_impl.cc
diff --git a/chrome/browser/browser_process_impl.cc b/chrome/browser/browser_process_impl.cc
index d8b9bc6ec6df5e9c92024f949453409e9a932d66..cf8af81b5bfcd5efe93326cd394c69518f98410b 100644
--- a/chrome/browser/browser_process_impl.cc
+++ b/chrome/browser/browser_process_impl.cc
@@ -1197,7 +1197,13 @@ void BrowserProcessImpl::CreateGCMDriver() {
 void BrowserProcessImpl::ApplyDefaultBrowserPolicy() {
   if (local_state()->GetBoolean(prefs::kDefaultBrowserSettingEnabled)) {
     scoped_refptr<shell_integration::DefaultWebClientWorker>
-        set_browser_worker = new shell_integration::DefaultBrowserWorker(NULL);
+        set_browser_worker = new shell_integration::DefaultBrowserWorker(
+            nullptr,
+            /*delete_observer=*/false);

[Nico, 2016/02/10 17:33:58]

add a comment where the deletino happens

[Patrick Monette, 2016/02/10 20:44:42]

Done.

+    // The user interaction must always be disabled when applying the default
+    // browser policy since it is done at each browser startup and the result
+    // of the interaction cannot be forced.
+    set_browser_worker->set_interactive_permitted(false);
     set_browser_worker->StartSetAsDefault();
   }
 }