[gnome-contacts] Silence valac warnings about Error throwing.

[Niels De Graef <nielsdg src gnome org>]

commit 17705656a8bc5a24e5ebc82e0e4894ae2eaeb4ff
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Wed May 2 22:41:06 2018 +0200

    Silence valac warnings about Error throwing.

 src/contacts-shell-search-provider.vala | 15 ++++++++-------
 src/contacts-utils.vala                 |  6 +++---
 2 files changed, 11 insertions(+), 10 deletions(-)
---
diff --git a/src/contacts-shell-search-provider.vala b/src/contacts-shell-search-provider.vala
index 1b895a9..b0e86b4 100644
--- a/src/contacts-shell-search-provider.vala
+++ b/src/contacts-shell-search-provider.vala
@@ -42,15 +42,16 @@ public class Contacts.SearchProvider : Object {
       this.app.quit ();
   }
 
-  public async string[] GetInitialResultSet (string[] terms) {
+  public async string[] GetInitialResultSet (string[] terms) throws Error {
     return yield do_search (terms);
   }
 
-  public async string[] GetSubsearchResultSet (string[] previous_results, string[] new_terms) {
+  public async string[] GetSubsearchResultSet (string[] previous_results, string[] new_terms)
+      throws Error {
     return yield do_search (new_terms);
   }
 
-  private async string[] do_search (string[] terms) {
+  private async string[] do_search (string[] terms) throws Error {
     this.app.hold ();
 
     // Make the query and search view
@@ -72,11 +73,11 @@ public class Contacts.SearchProvider : Object {
     return results;
   }
 
-  public async HashTable<string, Variant>[] GetResultMetas (string[] ids) {
+  public async HashTable<string, Variant>[] GetResultMetas (string[] ids) throws Error {
     return yield get_metas (ids);
   }
 
-  private async HashTable<string, Variant>[] get_metas (owned string[] ids) {
+  private async HashTable<string, Variant>[] get_metas (owned string[] ids) throws Error {
     this.app.hold ();
 
     var results = new ArrayList<HashTable> ();
@@ -117,7 +118,7 @@ public class Contacts.SearchProvider : Object {
     return results.to_array ();
   }
 
-  public void ActivateResult (string id, string[] terms, uint32 timestamp) {
+  public void ActivateResult (string id, string[] terms, uint32 timestamp) throws Error {
     this.app.hold ();
 
     try {
@@ -128,7 +129,7 @@ public class Contacts.SearchProvider : Object {
     this.app.release ();
   }
 
-  public void LaunchSearch (string[] terms, uint32 timestamp) {
+  public void LaunchSearch (string[] terms, uint32 timestamp) throws Error {
     this.app.hold ();
 
     debug ("LaunchSearch (%s)", string.joinv (", ", terms));
diff --git a/src/contacts-utils.vala b/src/contacts-utils.vala
index ad24d26..c1a9d74 100644
--- a/src/contacts-utils.vala
+++ b/src/contacts-utils.vala
@@ -36,7 +36,7 @@ namespace Contacts {
     [DBus (name = "ActivateAction")]
     public abstract void ActivateAction (string action,
                                          Variant[] parameter,
-                                         HashTable<string, Variant> data) throws IOError;
+                                         HashTable<string, Variant> data) throws Error;
   }
 
   public void activate_action (string app_id,
@@ -62,8 +62,8 @@ namespace Contacts {
                                                       new GLib.List<File>());
       var data = new HashTable<string, Variant>(str_hash, str_equal);
       data.insert ("desktop-startup-id", new Variant.string (startup_id));
-        con.ActivateAction (action, param_array, data);
-    } catch (IOError e) {
+      con.ActivateAction (action, param_array, data);
+    } catch (Error e) {
       debug ("Failed to activate action" + action);
     }
   }