base: Change DCHECK_IS_ON to a macro DCHECK_IS_ON().

extensions/renderer/logging_native_handler.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/renderer/logging_native_handler.h"
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 
 namespace extensions {
@@ skipping 29 matching lines @@
 void LoggingNativeHandler::Dcheck(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   bool check_value;
   std::string error_message;
   ParseArgs(args, &check_value, &error_message);
   DCHECK(check_value) << error_message;
 }
 
 void LoggingNativeHandler::DcheckIsOn(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
-  args.GetReturnValue().Set(DCHECK_IS_ON);
+  args.GetReturnValue().Set(DCHECK_IS_ON());
 }
 
 void LoggingNativeHandler::Log(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   CHECK_EQ(1, args.Length());
   LOG(INFO) << *v8::String::Utf8Value(args[0]);
 }
 
 void LoggingNativeHandler::Warning(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
@@ skipping 32 matching lines @@
 std::string LoggingNativeHandler::ToStringOrDefault(
     const v8::Handle<v8::String>& v8_string,
     const std::string& dflt) {
   if (v8_string.IsEmpty())
     return dflt;
   std::string ascii_value = *v8::String::Utf8Value(v8_string);
   return ascii_value.empty() ? dflt : ascii_value;
 }
 
 }  // namespace extensions