Use InstallDetails in setup.

chrome/installer/setup/setup_install_details.cc

Index: chrome/installer/setup/setup_install_details.cc
diff --git a/chrome/installer/setup/setup_install_details.cc b/chrome/installer/setup/setup_install_details.cc
new file mode 100644
index 0000000000000000000000000000000000000000..33ab97a21696c4a3c4f62cbfb90dd5c1aa0dd40f
--- /dev/null
+++ b/chrome/installer/setup/setup_install_details.cc
@@ -0,0 +1,80 @@
+// Copyright 2016 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/installer/setup/setup_install_details.h"
+
+#include <memory>
+#include <utility>
+
+#include "base/command_line.h"
+#include "base/memory/ptr_util.h"
+#include "chrome/install_static/install_details.h"
+#include "chrome/install_static/install_modes.h"
+#include "chrome/install_static/install_util.h"
+#include "chrome/installer/setup/brand_constants.h"
+#include "chrome/installer/util/installer_state.h"
+#include "chrome/installer/util/master_preferences.h"
+#include "chrome/installer/util/master_preferences_constants.h"
+
+namespace {
+
+const install_static::InstallConstants* FindInstallMode(
+    const base::CommandLine& command_line) {
+  // Search for a mode whose switch is on the command line.
+  for (int i = 0; i < install_static::NUM_INSTALL_MODES; ++i) {
+    const BrandConstants& constants = kBrandConstants[i];
+    if (*constants.install_switch &&
+        command_line.HasSwitch(constants.install_switch)) {
+      return &install_static::kInstallModes[i];
+    }
+  }
+  // The first mode is always the default if all else fails.
+  return &install_static::kInstallModes[0];
+}
+
+}  // namespace
+
+void InitializeInstallDetails(
+    const base::CommandLine& command_line,
+    const installer::MasterPreferences& master_preferences,
+    const installer::InstallerState& installer_state) {
+  std::unique_ptr<install_static::PrimaryInstallDetails> details(
+      base::MakeUnique<install_static::PrimaryInstallDetails>());
+
+  // The mode is determined by brand-specific command line switches.
+  const install_static::InstallConstants* const mode =
+      FindInstallMode(command_line);
+  details->set_mode(mode);
+
+  // The install level may be set by any of:
+  // - distribution.system_level=true in master_preferences,
+  // - --system-level on the command line, or
+  // - the GoogleUpdateIsMachine=1 environment variable.
+  // The value is sussed out in MasterPreferences initialization.

[robertshield, 2016/11/04 12:50:35]

s/The value/In all three cases the value/

[grt (UTC plus 2), 2016/11/08 13:02:13]

Done.

+  bool system_level = false;
+  master_preferences.GetBool(installer::master_preferences::kSystemLevel,
+                             &system_level);
+  details->set_system_level(system_level);
+
+  // Multi-install may be set by either of:
+  // - distribution.multi_install in master_preferences or
+  // - --multi-install on the command line.
+  // The value is sussed out in MasterPreferences initialization.

[robertshield, 2016/11/04 12:50:35]

In both cases

[grt (UTC plus 2), 2016/11/08 13:02:13]

Done.

+  details->set_multi_install(master_preferences.is_multi_install());
+
+  // The channel is determined based on the brand and the mode's
+  // ChannelStrategy. For brands that do not support Google Update, the channel
+  // is an empty string. For modes using the FIXED strategy, the channel is the
+  // default_channel_name in the mode. For modes using the ADDITIONAL_PARAMETERS
+  // strategy, the channel is parsed from the "ap" value in either the binaries'
+  // ClientState registry key or the mode's ClientState registry key. Which one
+  // is used depends on whether this is a new install (use the product's key) or
+  // an update of a multi-install product (use the binaries' key), and is sussed
+  // out in InstallerState initialization.
+  details->set_channel(install_static::DetermineChannel(
+      *mode, system_level,
+      installer_state.state_type() == BrowserDistribution::CHROME_BINARIES));
+
+  install_static::InstallDetails::SetForProcess(std::move(details));
+}