Reland "Initial switch to Chromium-style CHECK_* and DCHECK_* macros.".

src/perf-jit.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 39 matching lines @@
   }
 
   // Open the perf JIT dump file.
   int bufferSize = sizeof(kFilenameFormatString) + kFilenameBufferPadding;
   ScopedVector<char> perf_dump_name(bufferSize);
   int size = SNPrintF(perf_dump_name, kFilenameFormatString,
                       base::OS::GetCurrentProcessId());
   CHECK_NE(size, -1);
   perf_output_handle_ =
       base::OS::FOpen(perf_dump_name.start(), base::OS::LogFileOpenMode);
-  CHECK_NE(perf_output_handle_, NULL);
+  CHECK_NOT_NULL(perf_output_handle_);
   setvbuf(perf_output_handle_, NULL, _IOFBF, kLogBufferSize);
 
   LogWriteHeader();
 }
 
 
 PerfJitLogger::~PerfJitLogger() {
   fclose(perf_output_handle_);
   perf_output_handle_ = NULL;
 }
@@ skipping 68 matching lines @@
   header.elf_mach = GetElfMach();
   header.pid = base::OS::GetCurrentProcessId();
   header.timestamp =
       static_cast<uint64_t>(base::OS::TimeCurrentMillis() * 1000.0);
   LogWriteBytes(reinterpret_cast<const char*>(&header), sizeof(header));
 }
 
 #endif  // V8_OS_LINUX
 }
 }  // namespace v8::internal