[C++11 Allowed Features] Declares a type-safe null pointer converting from NULL to nullptr in src/…

cc/resources/tile_manager_perftest.cc

Index: cc/resources/tile_manager_perftest.cc
diff --git a/cc/resources/tile_manager_perftest.cc b/cc/resources/tile_manager_perftest.cc
index 9766df61665a75adce91e44887e3d7061e291251..ffd78e5c2285ff8267bd53065d0cb9bbdfc72a2a 100644
--- a/cc/resources/tile_manager_perftest.cc
+++ b/cc/resources/tile_manager_perftest.cc
@@ -137,7 +137,7 @@ class TileManagerPerfTest : public testing::Test {
   void ActivateTree() {
     host_impl_.ActivateSyncTree();
     CHECK(!host_impl_.pending_tree());
-    pending_root_layer_ = NULL;
+    pending_root_layer_ = nullptr;
     active_root_layer_ = static_cast<FakePictureLayerImpl*>(
         host_impl_.active_tree()->LayerById(id_));
   }
@@ -230,7 +230,7 @@ class TileManagerPerfTest : public testing::Test {
       host_impl_.BuildRasterQueue(&queue, priorities[priority_count]);
       while (count--) {
         ASSERT_FALSE(queue.IsEmpty());
-        ASSERT_TRUE(queue.Top() != NULL);
+        ASSERT_TRUE(queue.Top() != nullptr);
         queue.Pop();
       }
       priority_count = (priority_count + 1) % arraysize(priorities);
@@ -308,7 +308,7 @@ class TileManagerPerfTest : public testing::Test {
       host_impl_.BuildEvictionQueue(&queue, priorities[priority_count]);
       while (count--) {
         ASSERT_FALSE(queue.IsEmpty());
-        ASSERT_TRUE(queue.Top() != NULL);
+        ASSERT_TRUE(queue.Top() != nullptr);
         queue.Pop();
       }
       priority_count = (priority_count + 1) % arraysize(priorities);