Remove ibus dependency from PanelService.

chromeos/dbus/ibus/ibus_panel_service.cc

 // Copyright (c) 2012 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 "chromeos/dbus/ibus/ibus_panel_service.h"
 
 #include <string>
 #include "base/bind.h"
 #include "base/callback.h"
 #include "chromeos/dbus/ibus/ibus_constants.h"
@@ skipping 76 matching lines @@
         base::Bind(&IBusPanelServiceImpl::OnMethodExported,
                    weak_ptr_factory_.GetWeakPtr()));
 
     exported_object_->ExportMethod(
         ibus::panel::kServiceInterface,
         ibus::panel::kUpdatePropertyMethod,
         base::Bind(&IBusPanelServiceImpl::UpdateProperty,
                    weak_ptr_factory_.GetWeakPtr()),
         base::Bind(&IBusPanelServiceImpl::OnMethodExported,
                    weak_ptr_factory_.GetWeakPtr()));
+
+    // Request well known name to ibus-daemon.
+    bus->RequestOwnership(
+        ibus::panel::kServiceName,
+        base::Bind(&IBusPanelServiceImpl::OnRequestOwnership,
+                   weak_ptr_factory_.GetWeakPtr()));
   }
 
   virtual ~IBusPanelServiceImpl() {
     bus_->UnregisterExportedObject(
         dbus::ObjectPath(ibus::panel::kServicePath));
   }
 
   // IBusPanelService override.
   virtual void SetUpCandidateWindowHandler(
       IBusPanelCandidateWindowHandlerInterface* handler) {
@@ skipping 202 matching lines @@
   }
 
   // Called when the method call is exported.
   void OnMethodExported(const std::string& interface_name,
                         const std::string& method_name,
                         bool success) {
     LOG_IF(WARNING, !success) << "Failed to export "
                               << interface_name << "." << method_name;
   }
 
+  // Called when the well knwon name is acquired.
+  void OnRequestOwnership(const std::string& name, bool obtained) {
+    LOG_IF(ERROR, !obtained) << "Failed to acquire well known name:"
+                             << name;
+  }
+
   // D-Bus bus object used for unregistering exported methods in dtor.
   dbus::Bus* bus_;
 
   // All incoming method calls are passed on to the |candidate_window_handler_|
   // or |property_handler|. This class does not take ownership of following
   // handlers.
   IBusPanelCandidateWindowHandlerInterface* candidate_window_handler_;
   IBusPanelPropertyHandlerInterface* property_handler_;
 
   scoped_refptr<dbus::ExportedObject> exported_object_;
@@ skipping 34 matching lines @@
                                            dbus::Bus* bus) {
   if (type == REAL_DBUS_CLIENT_IMPLEMENTATION) {
     return new IBusPanelServiceImpl(bus);
   } else {
     return new IBusPanelServiceStubImpl();
   }
 }
 
 }  // namespace ibus
 }  // namespace chromeos