Revert 70920 - Made logging not look up --enable-dcheck from command line

Made --enable-dcheck a parameter to InitLogging() and fixed up all
callsites.

BUG=62736
TEST=Manual

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=70782

Review URL: http://codereview.chromium.org/6070006

TBR=akalin@chromium.org
Review URL: http://codereview.chromium.org/6099012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@70923 0039d316-1c4b-4281-b951-d872f2087c98

4 files changed, 19 insertions, 30 deletions

diff --git a/base/logging.cc b/base/logging.cc
index bdce7b3..cfb1065 100644
--- a/base/logging.cc
+++ b/base/logging.cc
@@ -64,7 +64,7 @@ typedef pthread_mutex_t* MutexHandle;
 
 namespace logging {
 
-DcheckState g_dcheck_state = DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS;
+bool g_enable_dcheck = false;
 VlogInfo* g_vlog_info = NULL;
 
 const char* const log_severity_names[LOG_NUM_SEVERITIES] = {
@@ -353,10 +353,10 @@ bool InitializeLogFileHandle() {
 bool BaseInitLoggingImpl(const PathChar* new_log_file,
                          LoggingDestination logging_dest,
                          LogLockingState lock_log,
-                         OldFileDeletionState delete_old,
-                         DcheckState dcheck_state) {
+                         OldFileDeletionState delete_old) {
   CommandLine* command_line = CommandLine::ForCurrentProcess();
-  g_dcheck_state = dcheck_state;
+  g_enable_dcheck =
+      command_line->HasSwitch(switches::kEnableDCHECK);
   delete g_vlog_info;
   g_vlog_info = NULL;
   // Don't bother initializing g_vlog_info unless we use one of the
diff --git a/base/logging.h b/base/logging.h
index 662deae..a097568 100644
--- a/base/logging.h
+++ b/base/logging.h
@@ -165,11 +165,6 @@ enum LogLockingState { LOCK_LOG_FILE, DONT_LOCK_LOG_FILE };
 // 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;
@@ -193,8 +188,7 @@ typedef char PathChar;
 bool BaseInitLoggingImpl(const PathChar* log_file,
                          LoggingDestination logging_dest,
                          LogLockingState lock_log,
-                         OldFileDeletionState delete_old,
-                         DcheckState dcheck_state);
+                         OldFileDeletionState delete_old);
 
 // 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.
@@ -209,10 +203,8 @@ bool BaseInitLoggingImpl(const PathChar* log_file,
 inline bool InitLogging(const PathChar* log_file,
                         LoggingDestination logging_dest,
                         LogLockingState lock_log,
-                        OldFileDeletionState delete_old,
-                        DcheckState dcheck_state) {
-  return BaseInitLoggingImpl(log_file, logging_dest, lock_log,
-                             delete_old, dcheck_state);
+                        OldFileDeletionState delete_old) {
+  return BaseInitLoggingImpl(log_file, logging_dest, lock_log, delete_old);
 }
 
 // Sets the log level. Anything at or above this level will be written to the
@@ -608,11 +600,10 @@ enum { DEBUG_MODE = ENABLE_DLOG };
   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;
-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))
+// 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))
 
 #else  // defined(NDEBUG)
 
diff --git a/base/logging_unittest.cc b/base/logging_unittest.cc
index bb6e3d1..4b7fdbc 100644
--- a/base/logging_unittest.cc
+++ b/base/logging_unittest.cc
@@ -197,7 +197,7 @@ TEST_F(LoggingTest, DcheckStreamsAreLazy) {
 
 #if !defined(LOGGING_IS_OFFICIAL_BUILD) && defined(NDEBUG)
   // Unofficial release build.
-  g_dcheck_state = DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS;
+  logging::g_enable_dcheck = false;
   DCHECK(mock_log_source.Log()) << mock_log_source.Log();
   DPCHECK(mock_log_source.Log()) << mock_log_source.Log();
   DCHECK_EQ(0, 0) << mock_log_source.Log();
@@ -213,13 +213,13 @@ TEST_F(LoggingTest, Dcheck) {
   EXPECT_FALSE(DLOG_IS_ON(DCHECK));
 #elif defined(NDEBUG)
   // Unofficial release build.
-  g_dcheck_state = ENABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS;
-  SetLogReportHandler(&LogSink);
+  logging::g_enable_dcheck = true;
+  logging::SetLogReportHandler(&LogSink);
   EXPECT_TRUE(DCHECK_IS_ON());
   EXPECT_FALSE(DLOG_IS_ON(DCHECK));
 #else
   // Unofficial debug build.
-  SetLogAssertHandler(&LogSink);
+  logging::SetLogAssertHandler(&LogSink);
   EXPECT_TRUE(DCHECK_IS_ON());
   EXPECT_TRUE(DLOG_IS_ON(DCHECK));
 #endif  // defined(LOGGING_IS_OFFICIAL_BUILD)
diff --git a/base/test/test_suite.cc b/base/test/test_suite.cc
index 5f8a616..aa23f04 100644
--- a/base/test/test_suite.cc
+++ b/base/test/test_suite.cc
@@ -175,12 +175,10 @@ void TestSuite::Initialize() {
   FilePath exe;
   PathService::Get(base::FILE_EXE, &exe);
   FilePath log_filename = exe.ReplaceExtension(FILE_PATH_LITERAL("log"));
-  logging::InitLogging(
-      log_filename.value().c_str(),
-      logging::LOG_TO_BOTH_FILE_AND_SYSTEM_DEBUG_LOG,
-      logging::LOCK_LOG_FILE,
-      logging::DELETE_OLD_LOG_FILE,
-      logging::DISABLE_DCHECK_FOR_NON_OFFICIAL_RELEASE_BUILDS);
+  logging::InitLogging(log_filename.value().c_str(),
+                       logging::LOG_TO_BOTH_FILE_AND_SYSTEM_DEBUG_LOG,
+                       logging::LOCK_LOG_FILE,
+                       logging::DELETE_OLD_LOG_FILE);
   // We want process and thread IDs because we may have multiple processes.
   // Note: temporarily enabled timestamps in an effort to catch bug 6361.
   logging::SetLogItems(true, true, true, true);