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

cc/resources/tile_manager.cc

Index: cc/resources/tile_manager.cc
diff --git a/cc/resources/tile_manager.cc b/cc/resources/tile_manager.cc
index c9fab0fc06034c14f840772b76aadcf7972a9fad..fe95b64a18a2d10360b69b8c7568f62a07d9cb13 100644
--- a/cc/resources/tile_manager.cc
+++ b/cc/resources/tile_manager.cc
@@ -125,7 +125,7 @@ class RasterTaskImpl : public RasterTask {
     // introduce noise in the measurement (sometimes they get rasterized
     // before we draw and sometimes they aren't)
     RenderingStatsInstrumentation* stats =
-        tile_resolution_ == HIGH_RESOLUTION ? rendering_stats_ : NULL;
+        tile_resolution_ == HIGH_RESOLUTION ? rendering_stats_ : nullptr;
     DCHECK(picture_pile);
     picture_pile->RasterToBitmap(
         canvas.get(), content_rect_, contents_scale_, stats);
@@ -790,7 +790,7 @@ void TileManager::OnRasterTaskCompleted(
   ManagedTileState& mts = tile->managed_state();
   DCHECK(mts.raster_task.get());
   orphan_raster_tasks_.push_back(mts.raster_task);
-  mts.raster_task = NULL;
+  mts.raster_task = nullptr;
 
   if (was_canceled) {
     ++update_visible_tiles_stats_.canceled_count;