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

cc/resources/prioritized_resource.cc

Index: cc/resources/prioritized_resource.cc
diff --git a/cc/resources/prioritized_resource.cc b/cc/resources/prioritized_resource.cc
index 462f7f1bb0c6cf19ca8fdac7705f9e739760da07..54d0dbdad1f9e3b152d8a680f129daba710fa991 100644
--- a/cc/resources/prioritized_resource.cc
+++ b/cc/resources/prioritized_resource.cc
@@ -23,8 +23,8 @@ PrioritizedResource::PrioritizedResource(PrioritizedResourceManager* manager,
       priority_(PriorityCalculator::LowestPriority()),
       is_above_priority_cutoff_(false),
       is_self_managed_(false),
-      backing_(NULL),
-      manager_(NULL) {
+      backing_(nullptr),
+      manager_(nullptr) {
   bytes_ = Resource::MemorySizeBytes(size, format);
   if (manager)
     manager->RegisterTexture(this);
@@ -106,8 +106,8 @@ void PrioritizedResource::Unlink() {
   DCHECK(backing_);
   DCHECK(backing_->owner_ == this);
 
-  backing_->owner_ = NULL;
-  backing_ = NULL;
+  backing_->owner_ = nullptr;
+  backing_ = nullptr;
 }
 
 void PrioritizedResource::SetToSelfManagedMemoryPlaceholder(size_t bytes) {
@@ -121,7 +121,7 @@ PrioritizedResource::Backing::Backing(unsigned id,
                                       const gfx::Size& size,
                                       ResourceFormat format)
     : Resource(id, size, format),
-      owner_(NULL),
+      owner_(nullptr),
       priority_at_last_priority_update_(PriorityCalculator::LowestPriority()),
       was_above_priority_cutoff_at_last_priority_update_(false),
       in_drawing_impl_tree_(false),
@@ -196,7 +196,7 @@ void PrioritizedResource::ReturnBackingTexture() {
 
 const Proxy* PrioritizedResource::Backing::proxy() const {
   if (!owner_ || !owner_->resource_manager())
-    return NULL;
+    return nullptr;
   return owner_->resource_manager()->ProxyForDebug();
 }