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

cc/layers/delegated_renderer_layer.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/layers/delegated_renderer_layer.h"
 
 #include "cc/layers/delegated_renderer_layer_impl.h"
 #include "cc/output/delegated_frame_data.h"
 #include "cc/quads/render_pass_draw_quad.h"
 #include "cc/trees/layer_tree_host.h"
 
 namespace cc {
 
 scoped_refptr<DelegatedRendererLayer> DelegatedRendererLayer::Create(
     const scoped_refptr<DelegatedFrameProvider>& frame_provider) {
   return scoped_refptr<DelegatedRendererLayer>(
       new DelegatedRendererLayer(frame_provider));
 }
 
 DelegatedRendererLayer::DelegatedRendererLayer(
     const scoped_refptr<DelegatedFrameProvider>& frame_provider)
     : Layer(),
       frame_provider_(frame_provider),
       should_collect_new_frame_(true),
-      frame_data_(NULL),
+      frame_data_(nullptr),
       weak_ptrs_(this) {
   frame_provider_->AddObserver(this);
 }
 
 DelegatedRendererLayer::~DelegatedRendererLayer() {
   frame_provider_->RemoveObserver(this);
 }
 
 scoped_ptr<LayerImpl> DelegatedRendererLayer::CreateLayerImpl(
     LayerTreeImpl* tree_impl) {
@@ skipping 26 matching lines @@
   Layer::PushPropertiesTo(impl);
 
   DelegatedRendererLayerImpl* delegated_impl =
       static_cast<DelegatedRendererLayerImpl*>(impl);
 
   delegated_impl->CreateChildIdIfNeeded(
       frame_provider_->GetReturnResourcesCallbackForImplThread());
 
   if (frame_data_)
     delegated_impl->SetFrameData(frame_data_, frame_damage_);
-  frame_data_ = NULL;
+  frame_data_ = nullptr;
   frame_damage_ = gfx::RectF();
 }
 
 void DelegatedRendererLayer::ProviderHasNewFrame() {
   should_collect_new_frame_ = true;
   SetNeedsUpdate();
   // The active frame needs to be replaced and resources returned before the
   // commit is called complete.
   SetNextCommitWaitsForActivation();
 }
@@ skipping 10 matching lines @@
 
   SetNeedsPushProperties();
   return true;
 }
 
 bool DelegatedRendererLayer::HasDelegatedContent() const {
   return true;
 }
 
 }  // namespace cc