Only do DelegateExecute verb handler registration for Google Chrome.

chrome/installer/util/google_chrome_sxs_distribution.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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 defines implementation of GoogleChromeSxSDistribution.
 
 #include "chrome/installer/util/google_chrome_sxs_distribution.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 
@@ skipping 43 matching lines @@
 
 int GoogleChromeSxSDistribution::GetIconIndex() {
   return kSxSIconIndex;
 }
 
 bool GoogleChromeSxSDistribution::GetChromeChannel(std::wstring* channel) {
   *channel = kChannelName;
   return true;
 }
 
+bool GoogleChromeSxSDistribution::GetDelegateExecuteHandlerData(
+    string16* handler_class_uuid,
+    string16* type_lib_uuid,
+    string16* type_lib_version,
+    string16* interface_uuid) {
+  return false;
+}
+
 std::wstring GoogleChromeSxSDistribution::ChannelName() {
   return kChannelName;
 }