Remove unnecessary #includes in browser_tab_strip_controller.cc.

After the landing https://codereview.chromium.org/291093005,
browser_tab_strip_controller.cc doesn't need the command line switch
related headers anymore. So we can remove these.

BUG=332077

Review URL: https://codereview.chromium.org/339023002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@278003 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/views/tabs/browser_tab_strip_controller.cc

@@ -5,7 +5,6 @@
 #include "chrome/browser/ui/views/tabs/browser_tab_strip_controller.h"
 
 #include "base/auto_reset.h"
-#include "base/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "base/task_runner_util.h"
 #include "base/threading/sequenced_worker_pool.h"