Use InstallDetails in setup.

chrome/installer/setup/chromium_constants.cc

Index: chrome/installer/setup/chromium_constants.cc
diff --git a/chrome/installer/setup/chromium_constants.cc b/chrome/installer/setup/chromium_constants.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f0de5b9e09c83a8460b5a01e3b939930df7c53e1
--- /dev/null
+++ b/chrome/installer/setup/chromium_constants.cc
@@ -0,0 +1,18 @@
+// 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/install_static/install_modes.h"
+#include "chrome/installer/setup/brand_constants.h"
+
+const BrandConstants kBrandConstants[] = {
+    {
+        install_static::CHROMIUM_INDEX,
+        "",     // No install switch for the primary install mode.
+        L"",    // No logo suffix for the primary install mode.
+        false,  // The app launcher was never supported for Chromium.
+    },
+};
+
+static_assert(_countof(kBrandConstants) == install_static::NUM_INSTALL_MODES,
+              "Imbalance between kBrandConstants and InstallConstantIndex");