Make headless_shell target compile for Windows

headless/lib/headless_content_main_delegate.cc

Index: headless/lib/headless_content_main_delegate.cc
diff --git a/headless/lib/headless_content_main_delegate.cc b/headless/lib/headless_content_main_delegate.cc
index 653e7a11266cea7f0d3ff3e4b05dfbbd78ccf6b5..608881757e2d2c2e57b9a49758274e17a159eca7 100644
--- a/headless/lib/headless_content_main_delegate.cc
+++ b/headless/lib/headless_content_main_delegate.cc
@@ -77,8 +77,10 @@ bool HeadlessContentMainDelegate::BasicStartupComplete(int* exit_code) {
 
 void HeadlessContentMainDelegate::InitLogging(
     const base::CommandLine& command_line) {
+#if !defined(OS_WIN)
   if (!command_line.HasSwitch(switches::kEnableLogging))
     return;
+#endif
 
   logging::LoggingDestination log_mode;
   base::FilePath log_filename(FILE_PATH_LITERAL("chrome_debug.log"));