Give SxS distribution its own registration GUIDs.

win8/delegate_execute/command_execute_impl.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.
 
 #include <atlbase.h>
 #include <atlcom.h>
 #include <atlctl.h>
 #include <ShObjIdl.h>
 #include <WinInet.h>
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/process/process_handle.h"
 #include "win8/delegate_execute/resource.h"       // main symbols
 
 using namespace ATL;
 
 EXTERN_C const GUID CLSID_CommandExecuteImpl;
 
 // CommandExecuteImpl
 // This class implements the IExecuteCommand and related interfaces for
 // handling ShellExecute launches of the Chrome browser, i.e. whether to
 // launch Chrome in metro mode or desktop mode.
-#if defined(GOOGLE_CHROME_BUILD)
-class ATL_NO_VTABLE DECLSPEC_UUID("5C65F4B0-3651-4514-B207-D10CB699B14B")
+// The CLSID here is a dummy CLSID not used for anything, since we register
+// the class with a dynamic CLSID.  However, a static CLSID is necessary
+// so that we can force at least one entry into ATL's object map (it will
+// treat a 0-element object map as an initialization failure case).
+class ATL_NO_VTABLE DECLSPEC_UUID("071BB5F2-85A4-424F-BFE7-5F1609BE4C2C")
     CommandExecuteImpl
-#else  // GOOGLE_CHROME_BUILD
-class ATL_NO_VTABLE DECLSPEC_UUID("A2DF06F9-A21A-44A8-8A99-8B9C84F29160")
-    CommandExecuteImpl
-#endif  // GOOGLE_CHROME_BUILD
     : public CComObjectRootEx<CComSingleThreadModel>,
       public CComCoClass<CommandExecuteImpl, &CLSID_CommandExecuteImpl>,
       public IExecuteCommand,
       public IObjectWithSiteImpl<CommandExecuteImpl>,
       public IInitializeCommand,
       public IObjectWithSelection,
       public IExecuteCommandApplicationHostEnvironment,
       public IForegroundTransfer {
  public:
   CommandExecuteImpl();
@@ skipping 57 matching lines @@
   STARTUPINFO start_info_;
   string16 verb_;
   string16 display_name_;
   INTERNET_SCHEME launch_scheme_;
 
   base::IntegrityLevel integrity_level_;
   EC_HOST_UI_MODE chrome_mode_;
 };
 
 OBJECT_ENTRY_AUTO(__uuidof(CommandExecuteImpl), CommandExecuteImpl)