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

chrome/browser/profiles/profile_impl.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_impl.h"
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/environment.h"
 #include "base/file_path.h"
@@ skipping 101 matching lines @@
 #include "chrome/browser/keychain_mac.h"
 #include "chrome/browser/password_manager/password_store_mac.h"
 #elif defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/enterprise_extension_observer.h"
 #include "chrome/browser/chromeos/proxy_config_service_impl.h"
 #elif defined(OS_POSIX) && !defined(OS_CHROMEOS)
 #include "base/nix/xdg_util.h"
 #if defined(USE_GNOME_KEYRING)
 #include "chrome/browser/password_manager/native_backend_gnome_x.h"
 #endif
+#if defined(USE_DBUS)
 #include "chrome/browser/password_manager/native_backend_kwallet_x.h"
+#endif
 #include "chrome/browser/password_manager/password_store_x.h"
 #endif
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/locale_change_guard.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/preferences.h"
 #endif
 
 using base::Time;
@@ skipping 871 matching lines @@
     desktop_env = base::nix::DESKTOP_ENVIRONMENT_OTHER;
   } else {  // Detect the store to use automatically.
     scoped_ptr<base::Environment> env(base::Environment::Create());
     desktop_env = base::nix::GetDesktopEnvironment(env.get());
     VLOG(1) << "Password storage detected desktop environment: "
             << base::nix::GetDesktopEnvironmentName(desktop_env);
   }
 
   scoped_ptr<PasswordStoreX::NativeBackend> backend;
   if (desktop_env == base::nix::DESKTOP_ENVIRONMENT_KDE4) {
+#if defined(USE_DBUS)
     // KDE3 didn't use DBus, which our KWallet store uses.
     VLOG(1) << "Trying KWallet for password storage.";
     backend.reset(new NativeBackendKWallet());
     if (backend->Init())
       VLOG(1) << "Using KWallet for password storage.";
     else
       backend.reset();
+#endif
   } else if (desktop_env == base::nix::DESKTOP_ENVIRONMENT_GNOME ||
              desktop_env == base::nix::DESKTOP_ENVIRONMENT_XFCE) {
 #if defined(USE_GNOME_KEYRING)
     VLOG(1) << "Trying GNOME keyring for password storage.";
     backend.reset(new NativeBackendGnome());
     if (backend->Init())
       VLOG(1) << "Using GNOME keyring for password storage.";
     else
       backend.reset();
 #endif  // defined(USE_GNOME_KEYRING)
@@ skipping 503 matching lines @@
   return pref_proxy_config_tracker_;
 }
 
 prerender::PrerenderManager* ProfileImpl::GetPrerenderManager() {
   if (!prerender::PrerenderManager::IsPrerenderingEnabled())
     return NULL;
   if (!prerender_manager_)
     prerender_manager_ = new prerender::PrerenderManager(this);
   return prerender_manager_;
 }