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

cc/layers/delegated_frame_resource_collection.cc

Index: cc/layers/delegated_frame_resource_collection.cc
diff --git a/cc/layers/delegated_frame_resource_collection.cc b/cc/layers/delegated_frame_resource_collection.cc
index b0e4cbf72964f6993251828a8ffd95a7900a7c30..a1bc759a0330eb531601eb19ddab2a0d09c72fd7 100644
--- a/cc/layers/delegated_frame_resource_collection.cc
+++ b/cc/layers/delegated_frame_resource_collection.cc
@@ -10,9 +10,7 @@
 namespace cc {
 
 DelegatedFrameResourceCollection::DelegatedFrameResourceCollection()
-    : client_(NULL),
-      lost_all_resources_(false),
-      weak_ptr_factory_(this) {
+    : client_(nullptr), lost_all_resources_(false), weak_ptr_factory_(this) {
   DCHECK(main_thread_checker_.CalledOnValidThread());
 }