C++11 declares a type safe null pointer

content/common/gpu/media/video_decode_accelerator_unittest.cc

Index: content/common/gpu/media/video_decode_accelerator_unittest.cc
diff --git a/content/common/gpu/media/video_decode_accelerator_unittest.cc b/content/common/gpu/media/video_decode_accelerator_unittest.cc
index 6979cd87d881b0c5095c19d21b6e7141f3d7d923..b1dd5386ce42593b25b48e8341d8bcce4db65547 100644
--- a/content/common/gpu/media/video_decode_accelerator_unittest.cc
+++ b/content/common/gpu/media/video_decode_accelerator_unittest.cc
@@ -96,7 +96,7 @@ const base::FilePath::CharType* g_test_video_data =
 // The file path of the test output log. This is used to communicate the test
 // results to CrOS autotests. We can enable the log and specify the filename by
 // the "--output_log" switch.
-const base::FilePath::CharType* g_output_log = NULL;
+const base::FilePath::CharType* g_output_log = nullptr;
 
 // The value is set by the switch "--rendering_fps".
 double g_rendering_fps = 60;
@@ -1065,8 +1065,8 @@ TEST_P(VideoDecodeAcceleratorParamTest, TestSimpleDecode) {
   const bool suppress_rendering = g_rendering_fps == 0;
 
   std::vector<ClientStateNotification<ClientState>*>
-      notes(num_concurrent_decoders, NULL);
-  std::vector<GLRenderingVDAClient*> clients(num_concurrent_decoders, NULL);
+      notes(num_concurrent_decoders, nullptr);
+  std::vector<GLRenderingVDAClient*> clients(num_concurrent_decoders, nullptr);
 
   RenderingHelperParams helper_params;
   helper_params.rendering_fps = g_rendering_fps;
@@ -1238,7 +1238,7 @@ TEST_P(VideoDecodeAcceleratorParamTest, TestSimpleDecode) {
   // Output the frame delivery time to file
   // We can only make performance/correctness assertions if the decoder was
   // allowed to finish.
-  if (g_output_log != NULL && delete_decoder_state >= CS_FLUSHED) {
+  if (g_output_log != nullptr && delete_decoder_state >= CS_FLUSHED) {
     base::File output_file(
         base::FilePath(g_output_log),
         base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE);
@@ -1373,7 +1373,7 @@ TEST_F(VideoDecodeAcceleratorTest, TestDecodeTimeMedian) {
                          decode_time_median.InMicroseconds());
   LOG(INFO) << output_string;
 
-  if (g_output_log != NULL)
+  if (g_output_log != nullptr)
     OutputLogFile(g_output_log, output_string);
 
   rendering_loop_proxy_->DeleteSoon(FROM_HERE, client);