replace NULL->nullptr in src/remoting.

remoting/host/client_session.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 "remoting/host/client_session.h"
 
 #include <algorithm>
 
 #include "base/message_loop/message_loop_proxy.h"
 #include "remoting/base/capabilities.h"
@@ skipping 118 matching lines @@
       webrtc::DesktopSize(resolution.dips_width(), resolution.dips_height()),
       webrtc::DesktopVector(kDefaultDPI, kDefaultDPI));
 
   // Try to match the client's resolution.
   screen_controls_->SetScreenResolution(client_resolution);
 }
 
 void ClientSession::ControlVideo(const protocol::VideoControl& video_control) {
   DCHECK(CalledOnValidThread());
 
-  // Note that |video_scheduler_| may be NULL, depending upon whether extensions
+  // Note that |video_scheduler_| may be null, depending upon whether extensions
   // choose to wrap or "steal" the video capturer or encoder.
   if (video_control.has_enable()) {
     VLOG(1) << "Received VideoControl (enable="
             << video_control.enable() << ")";
     pause_video_ = !video_control.enable();
     if (video_scheduler_.get())
       video_scheduler_->Pause(pause_video_);
   }
   if (video_control.has_lossless_encode()) {
     VLOG(1) << "Received VideoControl (lossless_encode="
@@ skipping 209 matching lines @@
   disable_input_filter_.set_enabled(false);
   disable_clipboard_filter_.set_enabled(false);
 
   // Ensure that any pressed keys or buttons are released.
   input_tracker_.ReleaseAll();
 
   // Stop components access the client, audio or video stubs, which are no
   // longer valid once ConnectionToClient calls OnConnectionClosed().
   if (audio_scheduler_.get()) {
     audio_scheduler_->Stop();
-    audio_scheduler_ = NULL;
+    audio_scheduler_ = nullptr;
   }
   if (video_scheduler_.get()) {
     video_scheduler_->Stop();
-    video_scheduler_ = NULL;
+    video_scheduler_ = nullptr;
   }
 
   client_clipboard_factory_.InvalidateWeakPtrs();
   input_injector_.reset();
   screen_controls_.reset();
   desktop_environment_.reset();
 
   // Notify the ChromotingHost that this client is disconnected.
   // TODO(sergeyu): Log failure reason?
   event_handler_->OnSessionClosed(this);
@@ skipping 45 matching lines @@
 
   disable_input_filter_.set_enabled(!disable_inputs);
   disable_clipboard_filter_.set_enabled(!disable_inputs);
 }
 
 void ClientSession::ResetVideoPipeline() {
   DCHECK(CalledOnValidThread());
 
   if (video_scheduler_.get()) {
     video_scheduler_->Stop();
-    video_scheduler_ = NULL;
+    video_scheduler_ = nullptr;
   }
 
   // Create VideoEncoder and DesktopCapturer to match the session's video
   // channel configuration.
   scoped_ptr<webrtc::DesktopCapturer> video_capturer =
       desktop_environment_->CreateVideoCapturer();
   extension_manager_->OnCreateVideoCapturer(&video_capturer);
   scoped_ptr<VideoEncoder> video_encoder =
       CreateVideoEncoder(connection_->session()->config());
   extension_manager_->OnCreateVideoEncoder(&video_encoder);
@@ skipping 63 matching lines @@
     return make_scoped_ptr(new AudioEncoderVerbatim());
   } else if (audio_config.codec == protocol::ChannelConfig::CODEC_OPUS) {
     return make_scoped_ptr(new AudioEncoderOpus());
   }
 
   NOTREACHED();
   return nullptr;
 }
 
 }  // namespace remoting