Added switch that let us 'un-stub' certain dbus clients.

chromeos/dbus/dbus_thread_manager.h

Index: chromeos/dbus/dbus_thread_manager.h
diff --git a/chromeos/dbus/dbus_thread_manager.h b/chromeos/dbus/dbus_thread_manager.h
index 2a5e335bf056327c13a7134190d43c2f9cf3bddd..053763c984d0854b2b56150db1755e7d0dac341d 100644
--- a/chromeos/dbus/dbus_thread_manager.h
+++ b/chromeos/dbus/dbus_thread_manager.h
@@ -9,6 +9,7 @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "chromeos/chromeos_export.h"
+#include "chromeos/dbus/dbus_client_bundle.h"
 
 namespace base {
 class Thread;
@@ -114,6 +115,9 @@ class CHROMEOS_EXPORT DBusThreadManager {
   // Gets the global instance. Initialize() must be called first.
   static DBusThreadManager* Get();
 
+  // Returns true if |client| is stubbed.
+  static bool IsUsingStub(DBusClientBundle::DBusClientType client);
+
   // Returns various D-Bus bus instances, owned by DBusThreadManager.
   virtual dbus::Bus* GetSystemBus() = 0;
 
@@ -163,6 +167,13 @@ class CHROMEOS_EXPORT DBusThreadManager {
   DBusThreadManager();
 
  private:
+  // Initialize global thread manager instance.
+  static void InitializeRegular();
+
+  // Initialize with stub implementations for only certain clients that are
+  // not included in comma-separated |unstub_clients| list.
+  static void InitializeWithPartialStub(const std::string& unstub_clients);
+
   // InitializeClients is called after g_dbus_thread_manager is set.
   // NOTE: Clients that access other clients in their Init() must be
   // initialized in the correct order.
@@ -171,6 +182,10 @@ class CHROMEOS_EXPORT DBusThreadManager {
   // Initializes |client| with the |system_bus_|.
   static void InitClient(DBusClient* client);
 
+  // Bitmask that defines which dbus clients are not stubbed out. Bitmap flags
+  // are defined within DBusClientBundle::DBusClientType enum.
+  static DBusClientBundle::DBusClientTypeMask unstub_client_mask_;
+
   DISALLOW_COPY_AND_ASSIGN(DBusThreadManager);
 };