Use __func__ instead of __FUNCTION__.

chrome/browser/media/router/presentation_service_delegate_impl.cc

 // Copyright 2015 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 "chrome/browser/media/router/presentation_service_delegate_impl.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 218 matching lines @@
   // We keep the PresentationConnectionStateChangedCallback registered with MR
   // so the MRP can tell us when terminate() completed.
 }
 
 void PresentationFrame::ListenForConnectionStateChange(
     const content::PresentationSessionInfo& connection,
     const content::PresentationConnectionStateChangedCallback&
         state_changed_cb) {
   auto it = presentation_id_to_route_id_.find(connection.presentation_id);
   if (it == presentation_id_to_route_id_.end()) {
-    DLOG(ERROR) << __FUNCTION__ << "route id not found for presentation: "
+    DLOG(ERROR) << __func__ << "route id not found for presentation: "
                 << connection.presentation_id;
     return;
   }
 
   const MediaRoute::Id& route_id = it->second;
   if (connection_state_subscriptions_.contains(route_id)) {
-    DLOG(ERROR) << __FUNCTION__ << "Already listening connection state change "
-                                   "for route: "
+    DLOG(ERROR) << __func__
+                << "Already listening connection state change for route: "
                 << route_id;
     return;
   }
 
   connection_state_subscriptions_.add(
       route_id, router_->AddPresentationConnectionStateChangedCallback(
                     it->second, state_changed_cb));
 }
 
 void PresentationFrame::ListenForSessionMessages(
@@ skipping 630 matching lines @@
 bool PresentationServiceDelegateImpl::HasScreenAvailabilityListenerForTest(
     int render_process_id,
     int render_frame_id,
     const MediaSource::Id& source_id) const {
   RenderFrameHostId render_frame_host_id(render_process_id, render_frame_id);
   return frame_manager_->HasScreenAvailabilityListenerForTest(
       render_frame_host_id, source_id);
 }
 
 }  // namespace media_router