Use first run dialog on Windows

fix brave/brave-browser#21464
Enabled first run dialog on Windows.

app/brave_generated_resources.grd

@@ -1650,6 +1650,9 @@ Are you sure you want to do this?
       <message name="IDS_FIRSTRUN_DLG_COMPLETE_INSTALLATION_LABEL_BRAVE" desc="Label at top of Dialog noting what's going to happen">
         To ensure the best privacy online, consider setting Brave as the default browser on your computer. With Brave as default, any web link you click will open with Brave's privacy protections.
       </message>
+      <message name="IDS_FIRSTRUN_DIALOG_WINDOW_TITLE_BRAVE" desc="Window title of First Run dialog, displayed in title bar">
+        Welcome to Brave
+      </message>
       <message name="IDS_SETTINGS_WALLET_NETWORKS_ITEM" desc="The label for opening wallet networks list">
         Networks
       </message>

browser/ui/BUILD.gn

@@ -182,6 +182,15 @@ source_set("ui") {
       "views/web_discovery_dialog_view.h",
     ]
 
+    # Enable FirstRun dialog on Win.
+    # Upstream only includes it on mac/Linux.
+    if (is_win) {
+      sources += [
+        "//chrome/browser/ui/views/first_run_dialog.cc",
+        "//chrome/browser/ui/views/first_run_dialog.h",
+      ]
+    }
+
     if (use_aura) {
       sources += [
         "views/renderer_context_menu/brave_render_view_context_menu_views.cc",

chromium_src/chrome/browser/first_run/first_run_dialog.h

@@ -0,0 +1,28 @@
+/* Copyright (c) 2022 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef BRAVE_CHROMIUM_SRC_CHROME_BROWSER_FIRST_RUN_FIRST_RUN_DIALOG_H_
+#define BRAVE_CHROMIUM_SRC_CHROME_BROWSER_FIRST_RUN_FIRST_RUN_DIALOG_H_
+
+#include "build/build_config.h"
+
+#include "src/chrome/browser/first_run/first_run_dialog.h"
+
+#if BUILDFLAG(IS_WIN)
+
+class Profile;
+
+namespace first_run {
+
+// Enable first run dialog on Win also.
+// Upstream only uses it for macOS/Linux.
+void ShowFirstRunDialog(Profile* profile);
+void ShowFirstRunDialogViews(Profile* profile);
+
+}  // namespace first_run
+
+#endif  // BUILDFLAG(IS_WIN)
+
+#endif  // BRAVE_CHROMIUM_SRC_CHROME_BROWSER_FIRST_RUN_FIRST_RUN_DIALOG_H_

chromium_src/chrome/browser/first_run/first_run_internal_win.cc

@@ -0,0 +1,40 @@
+/* Copyright (c) 2022 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "chrome/browser/first_run/first_run_dialog.h"
+#include "chrome/browser/first_run/first_run_internal.h"
+
+namespace {
+
+bool ShouldShowFirstRunDialog() {
+#if defined(OFFICIAL_BUILD)
+  return first_run::internal::IsOrganicFirstRun();
+#else
+  return false;
+#endif
+}
+
+}  // namespace
+
+#define DoPostImportPlatformSpecificTasks \
+  DoPostImportPlatformSpecificTasks_ChromiumImpl
+
+#include "src/chrome/browser/first_run/first_run_internal_win.cc"
+
+#undef DoPostImportPlatformSpecificTasks
+
+namespace first_run {
+namespace internal {
+
+void DoPostImportPlatformSpecificTasks(Profile* profile) {
+  if (ShouldShowFirstRunDialog()) {
+    ShowFirstRunDialog(profile);
+  }
+
+  DoPostImportPlatformSpecificTasks_ChromiumImpl(profile);
+}
+
+}  // namespace internal
+}  // namespace first_run

chromium_src/chrome/browser/ui/views/first_run_dialog.cc

@@ -8,22 +8,19 @@
 #include <string>
 
 #include "base/bind.h"
+#include "base/memory/scoped_refptr.h"
 #include "base/run_loop.h"
 #include "brave/grit/brave_generated_resources.h"
 #include "build/build_config.h"
 #include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/first_run/first_run_dialog.h"
-#include "chrome/browser/metrics/metrics_reporting_state.h"
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/shell_integration.h"
 #include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/ui_features.h"
-#include "chrome/browser/ui/views/chrome_layout_provider.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
-#include "components/crash/core/app/breakpad_linux.h"
-#include "components/crash/core/app/crashpad.h"
 #include "components/strings/grit/components_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/metadata/metadata_impl_macros.h"
@@ -34,10 +31,14 @@
 #include "ui/views/widget/widget.h"
 #include "ui/views/window/dialog_delegate.h"
 
+#if BUILDFLAG(IS_WIN)
+#include "brave/browser/brave_shell_integration.h"
+#endif
+
 namespace first_run {
 
 void ShowFirstRunDialog(Profile* profile) {
-#if defined(OS_MAC)
+#if BUILDFLAG(IS_MAC)
   if (base::FeatureList::IsEnabled(features::kViewsFirstRunDialog))
     ShowFirstRunDialogViews(profile);
   else
@@ -72,7 +73,7 @@ FirstRunDialog::FirstRunDialog(base::RepeatingClosure learn_more_callback,
     : quit_runloop_(quit_runloop) {
   ALLOW_UNUSED_LOCAL(report_crashes_);
 
-  SetTitle(l10n_util::GetStringUTF16(IDS_FIRST_RUN_DIALOG_WINDOW_TITLE));
+  SetTitle(l10n_util::GetStringUTF16(IDS_FIRSTRUN_DIALOG_WINDOW_TITLE_BRAVE));
   SetButtons(ui::DIALOG_BUTTON_OK);
   SetExtraView(
       std::make_unique<views::Link>(l10n_util::GetStringUTF16(IDS_LEARN_MORE)))
@@ -117,8 +118,17 @@ void FirstRunDialog::Done() {
 bool FirstRunDialog::Accept() {
   GetWidget()->Hide();
 
-  if (make_default_->GetChecked())
+  if (make_default_->GetChecked()) {
+    // shell_integration::SetAsDefaultBrowser() doesn't work on Windows 8+.
+    // Upstream will use DefaultBrowserWorker when it's available on all OSs.
+    // See the comments of shell_integration::SetAsDefaultBrowser().
+#if BUILDFLAG(IS_WIN)
+    base::MakeRefCounted<shell_integration::BraveDefaultBrowserWorker>()
+        ->StartSetAsDefault(base::NullCallback());
+#else
     shell_integration::SetAsDefaultBrowser();
+#endif
+  }
 
   Done();
   return true;