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

extensions/renderer/api/serial/data_receiver_unittest.cc

 // Copyright 2014 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 <queue>
 
 #include "device/serial/data_source_sender.h"
 #include "device/serial/data_stream.mojom.h"
 #include "extensions/renderer/api_test_base.h"
 #include "grit/extensions_renderer_resources.h"
@@ skipping 11 matching lines @@
     env()->RegisterModule("data_receiver", IDR_DATA_RECEIVER_JS);
     env()->RegisterModule("device/serial/data_stream.mojom",
                           IDR_DATA_STREAM_MOJOM_JS);
     service_provider()->AddService(base::Bind(
         &DataReceiverTest::CreateDataSource, base::Unretained(this)));
   }
 
   virtual void TearDown() OVERRIDE {
     if (sender_.get()) {
       sender_->ShutDown();
-      sender_ = NULL;
+      sender_ = nullptr;
     }
     ApiTestBase::TearDown();
   }
 
   std::queue<int32_t> error_to_send_;
   std::queue<std::string> data_to_send_;
 
  private:
   void CreateDataSource(
       mojo::InterfaceRequest<device::serial::DataSource> request) {
@@ skipping 13 matching lines @@
     if (!data_to_send_.empty()) {
       data = data_to_send_.front();
       data_to_send_.pop();
     }
     if (!error_to_send_.empty()) {
       error = error_to_send_.front();
       error_to_send_.pop();
     }
     if (error == 2) {
       sender_->ShutDown();
-      sender_ = NULL;
+      sender_ = nullptr;
       return;
     }
     DCHECK(buffer->GetSize() >= static_cast<uint32_t>(data.size()));
     memcpy(buffer->GetData(), data.c_str(), data.size());
     if (error)
       buffer->DoneWithError(data.size(), error);
     else
       buffer->Done(data.size());
   }
 
@@ skipping 25 matching lines @@
   error_to_send_.push(1);
   RunTest("data_receiver_unittest.js", "testReceiveErrorThenData");
 }
 
 TEST_F(DataReceiverTest, SourceShutdown) {
   error_to_send_.push(2);
   RunTest("data_receiver_unittest.js", "testSourceShutdown");
 }
 
 }  // namespace extensions