[logging] Fixes the timing to set log_format

g_log_format has to be set within BaseInitLoggingImpl regardless of the log target.

BUG: None
TEST: base_unittests
Change-Id: I4690d537600eb0eb7e88e897435cf014e013e251
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2417738
Commit-Queue: Yuta Hijikata <ythjkt@chromium.org>
Reviewed-by: Wez <wez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#810523}

base/logging.cc

@@ -365,6 +365,10 @@ bool BaseInitLoggingImpl(const LoggingSettings& settings) {
            0u);
 #endif
 
+#if defined(OS_CHROMEOS)
+  g_log_format = settings.log_format;
+#endif
+
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   // Don't bother initializing |g_vlog_info| unless we use one of the
   // vlog switches.
@@ -411,7 +415,6 @@ bool BaseInitLoggingImpl(const LoggingSettings& settings) {
   CloseLogFileUnlocked();
 
 #if defined(OS_CHROMEOS)
-  g_log_format = settings.log_format;
   if (settings.log_file) {
     DCHECK(!settings.log_file_path);
     g_log_file = settings.log_file;