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

chrome/installer/gcapi/gcapi_reactivation.cc

Index: chrome/installer/gcapi/gcapi_reactivation.cc
===================================================================
--- chrome/installer/gcapi/gcapi_reactivation.cc	(revision 273136)
+++ chrome/installer/gcapi/gcapi_reactivation.cc	(working copy)
@@ -28,7 +28,7 @@
 bool HasBeenReactivated() {
   RegKey reactivation_key(HKEY_CURRENT_USER,
                           GetReactivationHistoryKeyPath().c_str(),
-                          KEY_QUERY_VALUE | KEY_WOW64_32KEY);
+                          KEY_QUERY_VALUE);
 
   return reactivation_key.Valid();
 }
@@ -45,8 +45,7 @@
   path += L"\\";
   path += google_update::kChromeUpgradeCode;
 
-  RegKey client_state_key(
-      HKEY_CURRENT_USER, path.c_str(), KEY_SET_VALUE | KEY_WOW64_32KEY);
+  RegKey client_state_key(HKEY_CURRENT_USER, path.c_str(), KEY_SET_VALUE);
   if (client_state_key.Valid()) {
     success = client_state_key.WriteValue(
         google_update::kRegRLZReactivationBrandField,
@@ -58,7 +57,7 @@
     // a currently un-used timestamp for future proofing.
     RegKey reactivation_key(HKEY_CURRENT_USER,
                             GetReactivationHistoryKeyPath().c_str(),
-                            KEY_WRITE | KEY_WOW64_32KEY);
+                            KEY_WRITE);
     if (reactivation_key.Valid()) {
       int64 timestamp = Time::Now().ToInternalValue();
       reactivation_key.WriteValue(brand_code.c_str(),