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

src/log.cc

 // Copyright 2011 the V8 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.
 
 #include "src/log.h"
 
 #include <cstdarg>
 #include <sstream>
 
 #include "src/v8.h"
@@ skipping 253 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);
 }
 
 
 PerfBasicLogger::~PerfBasicLogger() {
   fclose(perf_output_handle_);
   perf_output_handle_ = NULL;
 }
 
 
@@ skipping 1648 matching lines @@
   if (jit_logger_) {
     removeCodeEventListener(jit_logger_);
     delete jit_logger_;
     jit_logger_ = NULL;
   }
 
   return log_->Close();
 }
 
 } }  // namespace v8::internal