Revert of headless: Add support for net logging

headless/lib/browser/headless_browser_main_parts.cc

Index: headless/lib/browser/headless_browser_main_parts.cc
diff --git a/headless/lib/browser/headless_browser_main_parts.cc b/headless/lib/browser/headless_browser_main_parts.cc
index 6423a44113cbf75438d41e2e44fea22eb09aee35..2ae52c3cc31eacb067aa583a6c8daf8d8ef6817f 100644
--- a/headless/lib/browser/headless_browser_main_parts.cc
+++ b/headless/lib/browser/headless_browser_main_parts.cc
@@ -4,12 +4,9 @@
 
 #include "headless/lib/browser/headless_browser_main_parts.h"
 
-#include "base/command_line.h"
-#include "content/public/common/content_switches.h"
 #include "headless/lib/browser/headless_browser_context_impl.h"
 #include "headless/lib/browser/headless_browser_impl.h"
 #include "headless/lib/browser/headless_devtools.h"
-#include "headless/lib/browser/headless_net_log.h"
 #include "headless/lib/browser/headless_screen.h"
 
 namespace headless {
@@ -21,14 +18,6 @@
 HeadlessBrowserMainParts::~HeadlessBrowserMainParts() {}
 
 void HeadlessBrowserMainParts::PreMainMessageLoopRun() {
-  const base::CommandLine* command_line =
-      base::CommandLine::ForCurrentProcess();
-  if (command_line->HasSwitch(switches::kLogNetLog)) {
-    base::FilePath log_path =
-        command_line->GetSwitchValuePath(switches::kLogNetLog);
-    net_log_.reset(new HeadlessNetLog(log_path));
-  }
-
   if (browser_->options()->devtools_endpoint.address().IsValid()) {
     StartLocalDevToolsHttpHandler(browser_->options());
     devtools_http_handler_started_ = true;