Fixes for re-enabling more MSVC level 4 warnings: chrome/ edition

chrome/installer/setup/install_worker.cc

 // Copyright (c) 2012 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.
 //
 // This file contains the definitions of the installer functions that build
 // the WorkItemList used to install the application.
 
 #include "chrome/installer/setup/install_worker.h"
 
 #include <oaidl.h>
@@ skipping 918 matching lines @@
   DCHECK(installer_state.is_multi_install());
   const bool system_install = installer_state.system_install();
   if (!original_state.GetProductState(system_install,
                                       BrowserDistribution::CHROME_BINARIES)) {
     const HKEY root_key = installer_state.root_key();
     base::string16 multi_key(
         installer_state.multi_package_binaries_distribution()->GetStateKey());
 
     // Copy the value from the product with the greatest value.
     bool have_eula_accepted = false;
-    BrowserDistribution::Type product_type;
-    DWORD eula_accepted;
+    BrowserDistribution::Type product_type = BrowserDistribution::NUM_TYPES;
+    DWORD eula_accepted = 0;
     const Products& products = installer_state.products();
     for (Products::const_iterator it = products.begin(); it < products.end();
          ++it) {
       const Product& product = **it;
       if (product.is_chrome_binaries())
         continue;
       DWORD dword_value = 0;
       BrowserDistribution::Type this_type = product.distribution()->GetType();
       const ProductState* product_state =
           original_state.GetNonVersionedProductState(
@@ skipping 702 matching lines @@
   // Unconditionally remove the legacy Quick Enable command from the binaries.
   // Do this even if multi-install Chrome isn't installed to ensure that it is
   // not left behind in any case.
   work_item_list->AddDeleteRegKeyWorkItem(
                       installer_state.root_key(), cmd_key, KEY_WOW64_32KEY)
       ->set_log_message("removing " + base::UTF16ToASCII(kCmdQuickEnableCf) +
                         " command");
 }
 
 }  // namespace installer