Replace use of logging::DEBUG_MODE with DCHECK_IS_ON().

base/logging_unittest.cc

 // Copyright (c) 2011 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 "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/macros.h"
 
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 51 matching lines @@
   LogStateSaver log_state_saver_;
 };
 
 class MockLogSource {
  public:
   MOCK_METHOD0(Log, const char*());
 };
 
 TEST_F(LoggingTest, BasicLogging) {
   MockLogSource mock_log_source;
-  EXPECT_CALL(mock_log_source, Log()).Times(DEBUG_MODE ? 16 : 8).
-      WillRepeatedly(Return("log message"));
+  EXPECT_CALL(mock_log_source, Log())
+      .Times(DCHECK_IS_ON() ? 16 : 8)
+      .WillRepeatedly(Return("log message"));
 
   SetMinLogLevel(LOG_INFO);
 
   EXPECT_TRUE(LOG_IS_ON(INFO));
-  // As of g++-4.5, the first argument to EXPECT_EQ cannot be a
-  // constant expression.
-  const bool kIsDebugMode = (DEBUG_MODE != 0);
-  EXPECT_TRUE(kIsDebugMode == DLOG_IS_ON(INFO));
+  EXPECT_TRUE((DCHECK_IS_ON() != 0) == DLOG_IS_ON(INFO));
   EXPECT_TRUE(VLOG_IS_ON(0));
 
   LOG(INFO) << mock_log_source.Log();
   LOG_IF(INFO, true) << mock_log_source.Log();
   PLOG(INFO) << mock_log_source.Log();
   PLOG_IF(INFO, true) << mock_log_source.Log();
   VLOG(0) << mock_log_source.Log();
   VLOG_IF(0, true) << mock_log_source.Log();
   VPLOG(0) << mock_log_source.Log();
   VPLOG_IF(0, true) << mock_log_source.Log();
@@ skipping 412 matching lines @@
     std::wstring wstr = L"Hello World";
     std::ostringstream ostr;
     ostr << wstr;
     EXPECT_EQ("Hello World", ostr.str());
   }
 }  // namespace nested_test
 
 }  // namespace
 
 }  // namespace logging