Remove all uses of LOG_DISABLED in blink

third_party/WebKit/Source/platform/wtf/Assertions.cpp

 /*
  * Copyright (C) 2003, 2006, 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2007-2009 Torch Mobile, Inc.
  * Copyright (C) 2011 University of Szeged. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 110 matching lines @@
   formatWithNewline[formatLength] = '\n';
   formatWithNewline[formatLength + 1] = 0;
 
   vprintf_stderr_common(formatWithNewline.get(), args);
 }
 
 #if COMPILER(GCC)
 #pragma GCC diagnostic pop
 #endif
 
-#if !LOG_DISABLED
+#if DCHECK_IS_ON()
 namespace WTF {
 
 ScopedLogger::ScopedLogger(bool condition, const char* format, ...)
     : parent_(condition ? Current() : 0), multiline_(false) {
   if (!condition)
     return;
 
   va_list args;
   va_start(args, format);
   Init(format, args);
@@ skipping 67 matching lines @@
 
 ScopedLogger*& ScopedLogger::Current() {
   DEFINE_THREAD_SAFE_STATIC_LOCAL(ThreadSpecific<ScopedLogger*>, ref, ());
   return *ref;
 }
 
 ScopedLogger::PrintFunctionPtr ScopedLogger::print_func_ =
     vprintf_stderr_common;
 
 }  // namespace WTF
-#endif  // !LOG_DISABLED
+#endif  // DCHECK_IS_ON
 
 void WTFLogAlways(const char* format, ...) {
   va_list args;
   va_start(args, format);
   vprintf_stderr_with_trailing_newline(format, args);
   va_end(args);
 }