Revert 273108 "Omaha configuration parameters now use Wow6432Nod..."

chrome/installer/setup/uninstall.cc

Index: chrome/installer/setup/uninstall.cc
===================================================================
--- chrome/installer/setup/uninstall.cc	(revision 273136)
+++ chrome/installer/setup/uninstall.cc	(working copy)
@@ -97,7 +97,7 @@
           BrowserDistribution::GetSpecificDistribution(dist_type);
       update_list->AddSetRegValueWorkItem(reg_root,
                                           other_dist->GetStateKey(),
-                                          KEY_WOW64_32KEY,
+                                          WorkItem::kWow64Default,
                                           google_update::kRegApField,
                                           channel_info.value(),
                                           true);
@@ -1179,13 +1179,14 @@
 
   // Remove Control Panel uninstall link.
   if (product.ShouldCreateUninstallEntry()) {
-    InstallUtil::DeleteRegistryKey(
-        reg_root, browser_dist->GetUninstallRegPath(), KEY_WOW64_32KEY);
+    InstallUtil::DeleteRegistryKey(reg_root,
+                                   browser_dist->GetUninstallRegPath(),
+                                   WorkItem::kWow64Default);
   }
 
   // Remove Omaha product key.
-  InstallUtil::DeleteRegistryKey(
-      reg_root, browser_dist->GetVersionKey(), KEY_WOW64_32KEY);
+  InstallUtil::DeleteRegistryKey(reg_root, browser_dist->GetVersionKey(),
+                                 WorkItem::kWow64Default);
 
   // Also try to delete the MSI value in the ClientState key (it might not be
   // there). This is due to a Google Update behaviour where an uninstall and a
@@ -1280,7 +1281,7 @@
         InstallUtil::DeleteRegistryKey(
             reg_root,
             shadow_app_launcher_dist->GetVersionKey(),
-            KEY_WOW64_32KEY);
+            WorkItem::kWow64Default);
       }
     }
   }