C++11 declares a type safe null pointer

content/common/gpu/client/gl_helper_unittest.cc

Index: content/common/gpu/client/gl_helper_unittest.cc
diff --git a/content/common/gpu/client/gl_helper_unittest.cc b/content/common/gpu/client/gl_helper_unittest.cc
index b86716614ed25c6d68d67d3084ee39b07a7469f7..ea5179d72b42d4bd58cd95602d09d943fb3904e2 100644
--- a/content/common/gpu/client/gl_helper_unittest.cc
+++ b/content/common/gpu/client/gl_helper_unittest.cc
@@ -68,9 +68,9 @@ class GLHelperTest : public testing::Test {
   }
 
   virtual void TearDown() {
-    helper_scaling_.reset(NULL);
-    helper_.reset(NULL);
-    context_.reset(NULL);
+    helper_scaling_.reset(nullptr);
+    helper_.reset(nullptr);
+    context_.reset(nullptr);
   }
 
   void StartTracing(const std::string& filter) {
@@ -112,7 +112,7 @@ class GLHelperTest : public testing::Test {
     base::ListValue* list;
     CHECK(trace_data->GetAsList(&list));
     for (size_t i = 0; i < list->GetSize(); i++) {
-      base::Value* item = NULL;
+      base::Value* item = nullptr;
       if (list->Get(i, &item)) {
         base::DictionaryValue* dict;
         CHECK(item->GetAsDictionary(&dict));
@@ -772,7 +772,7 @@ class GLHelperTest : public testing::Test {
       Compare(input_pixels.get(),
               &output_pixels,
               0,
-              NULL,
+              nullptr,
               dummy_stages,
               message + " comparing against input");
       return;
@@ -879,7 +879,7 @@ class GLHelperTest : public testing::Test {
       Compare(input_pixels.get(),
               &output_pixels,
               0,
-              NULL,
+              nullptr,
               stages,
               message + " comparing against input");
       return;