Make DBUS an optional dependency so Chromium can be built without it....

chrome/browser/profiles/profile.cc

 // Copyright (c) 2011 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 "chrome/browser/profiles/profile.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
@@ skipping 43 matching lines @@
 #include "chrome/browser/ui/gtk/gtk_theme_provider.h"
 #endif
 
 #if defined(OS_WIN)
 #include "chrome/browser/password_manager/password_store_win.h"
 #elif defined(OS_MACOSX)
 #include "chrome/browser/keychain_mac.h"
 #include "chrome/browser/password_manager/password_store_mac.h"
 #elif defined(OS_POSIX) && !defined(OS_CHROMEOS)
 #include "chrome/browser/password_manager/native_backend_gnome_x.h"
+#if defined(USE_DBUS)
 #include "chrome/browser/password_manager/native_backend_kwallet_x.h"
+#endif
 #include "chrome/browser/password_manager/password_store_x.h"
 #elif defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/preferences.h"
 #endif
 
 using base::Time;
 using base::TimeDelta;
 
 // A pointer to the request context for the default profile.  See comments on
 // Profile::GetDefaultRequestContext.
@@ skipping 696 matching lines @@
 };
 #endif
 
 Profile* Profile::CreateOffTheRecordProfile() {
 #if defined(OS_CHROMEOS)
   if (Profile::IsGuestSession())
     return new GuestSessionProfile(this);
 #endif
   return new OffTheRecordProfileImpl(this);
 }