libchrome: Several upstreamable fixes from libchrome

dbus/object_proxy.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 "dbus/object_proxy.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 441 matching lines @@
   const bool service_is_available = !service_name_owner_.empty();
   if (service_is_available) {  // Service is already available.
     bus_->GetOriginTaskRunner()->PostTask(
         FROM_HERE,
         base::Bind(&ObjectProxy::RunWaitForServiceToBeAvailableCallbacks,
                    this, service_is_available));
     return;
   }
 }
 
-DBusHandlerResult ObjectProxy::HandleMessage(
-    DBusConnection* connection,
-    DBusMessage* raw_message) {
+DBusHandlerResult ObjectProxy::HandleMessage(DBusConnection*,
+                                             DBusMessage* raw_message) {
   bus_->AssertOnDBusThread();
 
   if (dbus_message_get_type(raw_message) != DBUS_MESSAGE_TYPE_SIGNAL)
     return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 
   // raw_message will be unrefed on exit of the function. Increment the
   // reference so we can use it in Signal.
   dbus_message_ref(raw_message);
   std::unique_ptr<Signal> signal(Signal::FromRawMessage(raw_message));
 
@@ skipping 233 matching lines @@
     bool service_is_available) {
   bus_->AssertOnOriginThread();
 
   std::vector<WaitForServiceToBeAvailableCallback> callbacks;
   callbacks.swap(wait_for_service_to_be_available_callbacks_);
   for (size_t i = 0; i < callbacks.size(); ++i)
     callbacks[i].Run(service_is_available);
 }
 
 }  // namespace dbus