Give SxS distribution its own registration GUIDs.

chrome/installer/util/chromium_binaries_distribution.h

 // 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.
 
 #ifndef CHROME_INSTALLER_UTIL_CHROMIUM_BINARIES_DISTRIBUTION_H_
 #define CHROME_INSTALLER_UTIL_CHROMIUM_BINARIES_DISTRIBUTION_H_
 
 #include <string>
 
 #include "chrome/installer/util/browser_distribution.h"
 
 class ChromiumBinariesDistribution : public BrowserDistribution {
  public:
   virtual string16 GetAppGuid() OVERRIDE;
 
+  virtual string16 GetBrowserProgIdPrefix() OVERRIDE;
+
   virtual string16 GetDisplayName() OVERRIDE;
 
   virtual string16 GetShortcutName(ShortcutType shortcut_type) OVERRIDE;
 
   virtual int GetIconIndex(ShortcutType shortcut_type) OVERRIDE;
 
   virtual string16 GetBaseAppName() OVERRIDE;
 
   virtual string16 GetBaseAppId() OVERRIDE;
 
@@ skipping 14 matching lines @@
   virtual string16 GetUninstallLinkName() OVERRIDE;
 
   virtual string16 GetUninstallRegPath() OVERRIDE;
 
   virtual string16 GetVersionKey() OVERRIDE;
 
   virtual bool CanSetAsDefault() OVERRIDE;
 
   virtual bool GetChromeChannel(string16* channel) OVERRIDE;
 
-  virtual bool GetCommandExecuteImplClsid(
+  virtual bool GetCommandExecuteImplClsidString(
       string16* handler_class_uuid) OVERRIDE;
 
  protected:
   friend class BrowserDistribution;
 
   ChromiumBinariesDistribution();
 
   BrowserDistribution* browser_distribution_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ChromiumBinariesDistribution);
 };
 
 #endif  // CHROME_INSTALLER_UTIL_CHROMIUM_BINARIES_DISTRIBUTION_H_