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

extensions/browser/content_verify_job.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 "extensions/browser/content_verify_job.h"
 
 #include <algorithm>
 
 #include "base/metrics/histogram.h"
 #include "base/stl_util.h"
 #include "base/task_runner_util.h"
 #include "base/timer/elapsed_timer.h"
 #include "content/public/browser/browser_thread.h"
 #include "crypto/secure_hash.h"
 #include "crypto/sha2.h"
 #include "extensions/browser/content_hash_reader.h"
 
 namespace extensions {
 
 namespace {
 
-ContentVerifyJob::TestDelegate* g_test_delegate = NULL;
+ContentVerifyJob::TestDelegate* g_test_delegate = nullptr;
 
 class ScopedElapsedTimer {
  public:
   ScopedElapsedTimer(base::TimeDelta* total) : total_(total) { DCHECK(total_); }
 
   ~ScopedElapsedTimer() { *total_ += timer.Elapsed(); }
 
  private:
   // Some total amount of time we should add our elapsed time to at
   // destruction.
@@ skipping 102 matching lines @@
 bool ContentVerifyJob::FinishBlock() {
   if (current_hash_byte_count_ <= 0)
     return true;
   std::string final(crypto::kSHA256Length, 0);
   current_hash_->Finish(string_as_array(&final), final.size());
   current_hash_.reset();
   current_hash_byte_count_ = 0;
 
   int block = current_block_++;
 
-  const std::string* expected_hash = NULL;
+  const std::string* expected_hash = nullptr;
   if (!hash_reader_->GetHashForBlock(block, &expected_hash) ||
       *expected_hash != final)
     return false;
 
   return true;
 }
 
 void ContentVerifyJob::OnHashesReady(bool success) {
   if (!success && !g_test_delegate) {
     if (!hash_reader_->content_exists()) {
@@ skipping 32 matching lines @@
   if (!failure_callback_.is_null()) {
     VLOG(1) << "job failed for " << hash_reader_->extension_id() << " "
             << hash_reader_->relative_path().MaybeAsASCII()
             << " reason:" << reason;
     failure_callback_.Run(reason);
     failure_callback_.Reset();
   }
 }
 
 }  // namespace extensions