replace NULL->nullptr in src/remoting.

remoting/client/jni/jni_frame_consumer.cc

 // Copyright 2013 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/client/jni/jni_frame_consumer.h"
 
 #include "base/android/jni_android.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/synchronization/waitable_event.h"
 #include "remoting/base/util.h"
 #include "remoting/client/frame_producer.h"
 #include "remoting/client/jni/chromoting_jni_instance.h"
 #include "remoting/client/jni/chromoting_jni_runtime.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_region.h"
 #include "ui/gfx/android/java_bitmap.h"
 
 namespace remoting {
 
 JniFrameConsumer::JniFrameConsumer(
     ChromotingJniRuntime* jni_runtime,
     scoped_refptr<ChromotingJniInstance> jni_instance)
     : jni_runtime_(jni_runtime),
       jni_instance_(jni_instance),
-      frame_producer_(NULL) {
+      frame_producer_(nullptr) {
 }
 
 JniFrameConsumer::~JniFrameConsumer() {
   // The producer should now return any pending buffers. At this point, however,
   // ReturnBuffer() tasks scheduled by the producer will not be delivered,
   // so we free all the buffers once the producer's queue is empty.
   base::WaitableEvent done_event(true, false);
   frame_producer_->RequestReturnBuffers(
       base::Bind(&base::WaitableEvent::Signal, base::Unretained(&done_event)));
   done_event.Wait();
@@ skipping 88 matching lines @@
 }
 
 void JniFrameConsumer::FreeBuffer(webrtc::DesktopFrame* buffer) {
   DCHECK(std::find(buffers_.begin(), buffers_.end(), buffer) != buffers_.end());
 
   buffers_.remove(buffer);
   delete buffer;
 }
 
 }  // namespace remoting