Extends DBusThreadManager to connect ibus-bus.

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 648be053149039e0050ab9875228a38c13f5b3ae..03b2ff84feebd6a190b89256820cf97f2aa10796 100644
--- a/chromeos/dbus/dbus_thread_manager.h
+++ b/chromeos/dbus/dbus_thread_manager.h
@@ -6,6 +6,8 @@
 #define CHROMEOS_DBUS_DBUS_THREAD_MANAGER_H_
 #pragma once
 
+#include <string>
+
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "chromeos/chromeos_export.h"
@@ -81,9 +83,16 @@ class CHROMEOS_EXPORT DBusThreadManager {
   // Gets the global instance. Initialize() must be called first.
   static DBusThreadManager* Get();
 
+  // Creates IBusBus instance and connect to ibus-daemon with specified ibus
+  // address. This function must be called once.
+  virtual void InitializeIBusBus(const std::string &ibus_address) = 0;
+
   // Returns the D-Bus system bus instance, owned by DBusThreadManager.
   virtual dbus::Bus* GetSystemBus() = 0;
 
+  // Returns the IBus bus instance, owned by DBusThreadManager.
+  virtual dbus::Bus* GetIBusBus() = 0;
+
   // Returns the bluetooth adapter client, owned by DBusThreadManager.
   // Do not cache this pointer and use it after DBusThreadManager is shut
   // down.