Replace NULL with nullptr in all C++ files.

webrtc/base/thread_unittest.cc

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 225 matching lines @@
 // There's no easy way to verify the name was set properly at this time.
 TEST(ThreadTest, Names) {
   // Default name
   Thread *thread;
   thread = new Thread();
   EXPECT_TRUE(thread->Start());
   thread->Stop();
   delete thread;
   thread = new Thread();
   // Name with no object parameter
-  EXPECT_TRUE(thread->SetName("No object", NULL));
+  EXPECT_TRUE(thread->SetName("No object", nullptr));
   EXPECT_TRUE(thread->Start());
   thread->Stop();
   delete thread;
   // Really long name
   thread = new Thread();
   EXPECT_TRUE(thread->SetName("Abcdefghijklmnopqrstuvwxyz1234567890", this));
   EXPECT_TRUE(thread->Start());
   thread->Stop();
   delete thread;
 }
@@ skipping 28 matching lines @@
   };
   EXPECT_EQ(999, thread.Invoke<int>(RTC_FROM_HERE, &LocalFuncs::Func1));
   thread.Invoke<void>(RTC_FROM_HERE, &LocalFuncs::Func2);
 }
 
 // Verifies that two threads calling Invoke on each other at the same time does
 // not deadlock.
 TEST(ThreadTest, TwoThreadsInvokeNoDeadlock) {
   AutoThread thread;
   Thread* current_thread = Thread::Current();
-  ASSERT_TRUE(current_thread != NULL);
+  ASSERT_TRUE(current_thread != nullptr);
 
   Thread other_thread;
   other_thread.Start();
 
   struct LocalFuncs {
     static void Set(bool* out) { *out = true; }
     static void InvokeSet(Thread* thread, bool* out) {
       thread->Invoke<void>(RTC_FROM_HERE, Bind(&Set, out));
     }
   };
@@ skipping 128 matching lines @@
   }
   void SetExpectedThreadForIntCallback(Thread* thread) {
     expected_thread_ = thread;
   }
 
  protected:
   enum { kWaitTimeout = 1000 };
   AsyncInvokeTest()
       : int_value_(0),
         invoke_started_(true, false),
-        expected_thread_(NULL) {}
+        expected_thread_(nullptr) {}
 
   int int_value_;
   Event invoke_started_;
   Thread* expected_thread_;
 };
 
 TEST_F(AsyncInvokeTest, FireAndForget) {
   AsyncInvoker invoker;
   // Create and start the thread.
   Thread thread;
@@ skipping 289 matching lines @@
   EXPECT_FALSE(flag1.get());
   EXPECT_TRUE(flag2.get());
 }
 
 #if defined(WEBRTC_WIN)
 class ComThreadTest : public testing::Test, public MessageHandler {
  public:
   ComThreadTest() : done_(false) {}
  protected:
   virtual void OnMessage(Message* message) {
-    HRESULT hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
+    HRESULT hr = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
     // S_FALSE means the thread was already inited for a multithread apartment.
     EXPECT_EQ(S_FALSE, hr);
     if (SUCCEEDED(hr)) {
       CoUninitialize();
     }
     done_ = true;
   }
   bool done_;
 };
 
 TEST_F(ComThreadTest, ComInited) {
   Thread* thread = new ComThread();
   EXPECT_TRUE(thread->Start());
   thread->Post(RTC_FROM_HERE, this, 0);
   EXPECT_TRUE_WAIT(done_, 1000);
   delete thread;
 }
 #endif