Made logging not look up --enable-dcheck from command line

base/logging.h

 // 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.
 
 #ifndef BASE_LOGGING_H_
 #define BASE_LOGGING_H_
 #pragma once
 
 #include <string>
 #include <cstring>
@@ skipping 147 matching lines @@
 // make each log outut atomic. Other writers will block.
 //
 // All processes writing to the log file must have their locking set for it to
 // work properly. Defaults to DONT_LOCK_LOG_FILE.
 enum LogLockingState { LOCK_LOG_FILE, DONT_LOCK_LOG_FILE };
 
 // On startup, should we delete or append to an existing log file (if any)?
 // Defaults to APPEND_TO_OLD_LOG_FILE.
 enum OldFileDeletionState { DELETE_OLD_LOG_FILE, APPEND_TO_OLD_LOG_FILE };
 
+enum DcheckState {
+  DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS,
+  ENABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS
+};
+
 // TODO(avi): do we want to do a unification of character types here?
 #if defined(OS_WIN)
 typedef wchar_t PathChar;
 #else
 typedef char PathChar;
 #endif
 
 // Define different names for the BaseInitLoggingImpl() function depending on
 // whether NDEBUG is defined or not so that we'll fail to link if someone tries
 // to compile logging.cc with NDEBUG but includes logging.h without defining it,
 // or vice versa.
 #if NDEBUG
 #define BaseInitLoggingImpl BaseInitLoggingImpl_built_with_NDEBUG
 #else
 #define BaseInitLoggingImpl BaseInitLoggingImpl_built_without_NDEBUG
 #endif
 
 // Implementation of the InitLogging() method declared below.  We use a
 // more-specific name so we can #define it above without affecting other code
 // that has named stuff "InitLogging".
 bool BaseInitLoggingImpl(const PathChar* log_file,
                          LoggingDestination logging_dest,
                          LogLockingState lock_log,
-                         OldFileDeletionState delete_old);
+                         OldFileDeletionState delete_old,
+                         DcheckState dcheck_state);
 
 // Sets the log file name and other global logging state. Calling this function
 // is recommended, and is normally done at the beginning of application init.
 // If you don't call it, all the flags will be initialized to their default
 // values, and there is a race condition that may leak a critical section
 // object if two threads try to do the first log at the same time.
 // See the definition of the enums above for descriptions and default values.
 //
 // The default log file is initialized to "debug.log" in the application
 // directory. You probably don't want this, especially since the program
 // directory may not be writable on an enduser's system.
 inline bool InitLogging(const PathChar* log_file,
                         LoggingDestination logging_dest,
                         LogLockingState lock_log,
-                        OldFileDeletionState delete_old) {
-  return BaseInitLoggingImpl(log_file, logging_dest, lock_log, delete_old);
+                        OldFileDeletionState delete_old,
+                        DcheckState dcheck_state) {
+  return BaseInitLoggingImpl(log_file, logging_dest, lock_log,
+                             delete_old, dcheck_state);
 }
 
 // Sets the log level. Anything at or above this level will be written to the
 // log file/displayed to the user (if applicable). Anything below this level
 // will be silently ignored. The log level defaults to 0 (everything is logged
 // up to level INFO) if this function is not called.
 // Note that log messages for VLOG(x) are logged at level -x, so setting
 // the min log level to negative values enables verbose logging.
 void SetMinLogLevel(int level);
 
@@ skipping 375 matching lines @@
 // Definitions for DCHECK et al.
 
 #if ENABLE_DCHECK
 
 #if defined(NDEBUG)
 
 #define COMPACT_GOOGLE_LOG_EX_DCHECK(ClassName, ...) \
   COMPACT_GOOGLE_LOG_EX_ERROR_REPORT(ClassName , ##__VA_ARGS__)
 #define COMPACT_GOOGLE_LOG_DCHECK COMPACT_GOOGLE_LOG_ERROR_REPORT
 const LogSeverity LOG_DCHECK = LOG_ERROR_REPORT;
-// This is set to true in InitLogging when we want to enable the
-// DCHECKs in release.
-extern bool g_enable_dcheck;
-#define DCHECK_IS_ON() (::logging::g_enable_dcheck && LOG_IS_ON(DCHECK))
+extern DcheckState g_dcheck_state;
+#define DCHECK_IS_ON()                                                  \
+  ((::logging::g_dcheck_state ==                                        \
+    ::logging::ENABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS) &&        \
+   LOG_IS_ON(DCHECK))
 
 #else  // defined(NDEBUG)
 
 // On a regular debug build, we want to have DCHECKs enabled.
 #define COMPACT_GOOGLE_LOG_EX_DCHECK(ClassName, ...) \
   COMPACT_GOOGLE_LOG_EX_FATAL(ClassName , ##__VA_ARGS__)
 #define COMPACT_GOOGLE_LOG_DCHECK COMPACT_GOOGLE_LOG_FATAL
 const LogSeverity LOG_DCHECK = LOG_FATAL;
 #define DCHECK_IS_ON() true
 
@@ skipping 287 matching lines @@
 #elif NOTIMPLEMENTED_POLICY == 4
 #define NOTIMPLEMENTED() LOG(ERROR) << NOTIMPLEMENTED_MSG
 #elif NOTIMPLEMENTED_POLICY == 5
 #define NOTIMPLEMENTED() do {\
   static int count = 0;\
   LOG_IF(ERROR, 0 == count++) << NOTIMPLEMENTED_MSG;\
 } while(0)
 #endif
 
 #endif  // BASE_LOGGING_H_