Make omaha, gcapi and uninstall registry accesses use Wow6432Node on 64-bit

chrome/installer/util/installer_state.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.
 
 #include "chrome/installer/util/installer_state.h"
 
 #include <algorithm>
 #include <functional>
 #include <utility>
 
@@ skipping 725 matching lines @@
     return;
   }
 
   // Update the "ap" value for the product being installed/updated.  We get the
   // current value from the registry since the InstallationState instance used
   // by the bulk of the installer does not track changes made by UpdateStage.
   // Create the app's ClientState key if it doesn't exist.
   ChannelInfo channel_info;
   base::win::RegKey state_key;
   LONG result = state_key.Create(root_key_, state_key_.c_str(),
-                                 KEY_QUERY_VALUE | KEY_SET_VALUE);
+      KEY_QUERY_VALUE | KEY_SET_VALUE | KEY_WOW64_32KEY);
   if (result == ERROR_SUCCESS) {
     channel_info.Initialize(state_key);
 
     // This is a multi-install product.
     bool modified = channel_info.SetMultiInstall(true);
 
     // Add the appropriate modifiers for all products and their options.
     modified |= SetChannelFlags(true, &channel_info);
 
     VLOG(1) << "ap: " << channel_info.value();
@@ skipping 19 matching lines @@
       if (i == BrowserDistribution::CHROME_BINARIES) {
         dist = multi_package_distribution_;
       } else {
         const Product* product = FindProduct(type);
         // Skip this one if it's for a product we're not operating on.
         if (product == NULL)
           continue;
         dist = product->distribution();
       }
       result = state_key.Create(root_key_, dist->GetStateKey().c_str(),
-                                KEY_QUERY_VALUE | KEY_SET_VALUE);
+          KEY_QUERY_VALUE | KEY_SET_VALUE | KEY_WOW64_32KEY);
       if (result == ERROR_SUCCESS) {
         other_info.Initialize(state_key);
         if (!other_info.Equals(channel_info))
           channel_info.Write(&state_key);
       } else {
         LOG(ERROR) << "Failed opening key " << dist->GetStateKey()
                    << " to update app channels; result: " << result;
       }
     }
   } else {
@@ skipping 26 matching lines @@
   }
   if (!install_list->Do())
     LOG(ERROR) << "Failed to record installer error information in registry.";
 }
 
 bool InstallerState::RequiresActiveSetup() const {
   return system_install() && FindProduct(BrowserDistribution::CHROME_BROWSER);
 }
 
 }  // namespace installer