replace NULL->nullptr in src/remoting.

remoting/host/single_window_input_injector_mac.cc

 // Copyright 2014 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/single_window_input_injector.h"
 
 #include <ApplicationServices/ApplicationServices.h>
 #include <Carbon/Carbon.h>
 
 #include "base/mac/foundation_util.h"
@@ skipping 102 matching lines @@
 }
 
 // This method finds the rectangle of the window we are streaming using
 // |window_id_|. The InputInjector can then use this rectangle
 // to translate the input event to coordinates of the window rather
 // than the screen.
 CGRect SingleWindowInputInjectorMac::FindCGRectOfWindow() {
   CGRect rect;
   CGWindowID ids[1] = {window_id_};
   base::ScopedCFTypeRef<CFArrayRef> window_id_array(
-      CFArrayCreate(NULL, reinterpret_cast<const void **>(&ids), 1, NULL));
+      CFArrayCreate(nullptr, reinterpret_cast<const void**>(&ids), 1, nullptr));
 
   base::ScopedCFTypeRef<CFArrayRef> window_array(
       CGWindowListCreateDescriptionFromArray(window_id_array));
 
-  if (window_array == NULL || CFArrayGetCount(window_array) == 0) {
+  if (window_array == nullptr || CFArrayGetCount(window_array) == 0) {
     // Could not find the window. It might have been closed.
     LOG(ERROR) << "Specified window to stream not found for id: "
                << window_id_;
     return CGRectNull;
   }
 
   // We don't use ScopedCFTypeRef for |window_array| because the
   // CFDictionaryRef returned by CFArrayGetValueAtIndex is owned by
   // window_array. The same is true of the |bounds|.
   CFDictionaryRef window =
@@ skipping 17 matching lines @@
 
 scoped_ptr<InputInjector> SingleWindowInputInjector::CreateForWindow(
     webrtc::WindowId window_id,
     scoped_ptr<InputInjector> input_injector) {
   scoped_ptr<SingleWindowInputInjectorMac> injector(
       new SingleWindowInputInjectorMac(window_id, input_injector.Pass()));
   return injector.Pass();
 }
 
 }  // namespace remoting