Give SxS distribution its own registration GUIDs.

chrome/installer/util/chromium_binaries_distribution.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 declares a class that contains various method related to branding.
 
 #include "chrome/installer/util/google_chrome_binaries_distribution.h"
 
 #include "base/logging.h"
 
@@ skipping 11 matching lines @@
 
 string16 ChromiumBinariesDistribution::GetAppGuid() {
   return string16();
 }
 
 string16 ChromiumBinariesDistribution::GetBaseAppName() {
   NOTREACHED();
   return string16();
 }
 
+string16 ChromiumBinariesDistribution::GetBrowserProgIdPrefix() {
+  NOTREACHED();
+  return string16();
+}
+
 string16 ChromiumBinariesDistribution::GetDisplayName() {
   return kChromiumBinariesName;
 }
 
 string16 ChromiumBinariesDistribution::GetShortcutName(
     ShortcutType shortcut_type) {
   NOTREACHED();
   return string16();
 }
 
@@ skipping 59 matching lines @@
 
 bool ChromiumBinariesDistribution::GetChromeChannel(string16* channel) {
   NOTREACHED();
   return false;
 }
 
 bool ChromiumBinariesDistribution::GetCommandExecuteImplClsid(
     string16* handler_class_uuid) {
   return false;
 }