Run clang-modernize -use-nullptr over src/extensions/.

extensions/renderer/v8_schema_registry.cc

Index: extensions/renderer/v8_schema_registry.cc
diff --git a/extensions/renderer/v8_schema_registry.cc b/extensions/renderer/v8_schema_registry.cc
index d2d5e0e90207e2b7fb58eb52b41b55fc94f6dc27..35c29518f5b75791ba8a583c22f4f94689b8b3d3 100644
--- a/extensions/renderer/v8_schema_registry.cc
+++ b/extensions/renderer/v8_schema_registry.cc
@@ -50,10 +50,10 @@ V8SchemaRegistry::~V8SchemaRegistry() {
 scoped_ptr<NativeHandler> V8SchemaRegistry::AsNativeHandler() {
   scoped_ptr<ScriptContext> context(
       new ScriptContext(GetOrCreateContext(v8::Isolate::GetCurrent()),
-                        NULL,  // no frame
-                        NULL,  // no extension
+                        nullptr,  // no frame
+                        nullptr,  // no extension
                         Feature::UNSPECIFIED_CONTEXT,
-                        NULL,  // no effective extension
+                        nullptr,  // no effective extension
                         Feature::UNSPECIFIED_CONTEXT));
   return scoped_ptr<NativeHandler>(
       new SchemaRegistryNativeHandler(this, context.Pass()));
@@ -76,7 +76,7 @@ v8::Handle<v8::Array> V8SchemaRegistry::GetSchemas(
 }
 
 v8::Handle<v8::Object> V8SchemaRegistry::GetSchema(const std::string& api) {
-  if (schema_cache_ != NULL) {
+  if (schema_cache_ != nullptr) {
     v8::Local<v8::Object> cached_schema = schema_cache_->Get(api);
     if (!cached_schema.IsEmpty()) {
       return cached_schema;