New test infrastructure for producing verbose logs in failing tests.

base/logging_win.h

Index: base/logging_win.h
diff --git a/base/logging_win.h b/base/logging_win.h
index d0758cd52f074240d86adf7defec2dd34ba8726f..91099fcd578fe111e40129477c1507f3f55e6c79 100644
--- a/base/logging_win.h
+++ b/base/logging_win.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -30,6 +30,10 @@ enum LogEnableMask {
   // a LOG message with only the textual content of the message, and no
   // stack trace.
   ENABLE_LOG_MESSAGE_ONLY = 0x0002,
+  // If this bit is set in our provider enable mask, we will include the fully
+  // formatted log message rather than just the portion used in the invocation
+  // of the LOG family of macros.
+  ENABLE_DETAILED_LOG_MESSAGE = 0x0004,
 };
 
 // The message types our log event provider generates.