Move Telepathy utility functions from shell-global to shell-tp-client

https://bugzilla.gnome.org/show_bug.cgi?id=645585

src/shell-tp-client.h

@@ -4,7 +4,8 @@
 #include <dbus/dbus-glib.h>
 #include <glib-object.h>
 
-#include <telepathy-glib/base-client.h>
+#include <telepathy-glib/telepathy-glib.h>
+#include <telepathy-logger/telepathy-logger.h>
 
 G_BEGIN_DECLS
 
@@ -57,5 +58,31 @@ void shell_tp_client_set_observe_channels_func (ShellTpClient *self,
                                                 gpointer user_data,
                                                 GDestroyNotify destroy);
 
+/* Telepathy utility functions */
+typedef void (*ShellGetTpContactCb) (TpConnection *connection,
+                                     GList *contacts,
+                                     TpHandle *failed);
+
+void shell_get_tp_contacts (TpConnection *self,
+                            guint n_handles,
+                            const TpHandle *handles,
+                            guint n_features,
+                            const TpContactFeature *features,
+                            ShellGetTpContactCb callback);
+
+typedef void (*ShellGetSelfContactFeaturesCb) (TpConnection *connection,
+                                               TpContact *contact);
+
+void shell_get_self_contact_features (TpConnection *self,
+                                      guint n_features,
+                                      const TpContactFeature *features,
+                                      ShellGetSelfContactFeaturesCb callback);
+
+void shell_get_contact_events (TplLogManager *log_manager,
+                               TpAccount *account,
+                               TplEntity *entity,
+                               guint num_events,
+                               GAsyncReadyCallback callback);
+
 G_END_DECLS
 #endif /* __SHELL_TP_CLIENT_H__ */