Remove unnecessary #includes in SpellingServiceClient.

After https://codereview.chromium.org/252643004, SpellingServiceClient doesn't
need the command line switch related headers. So we can remove these.

Review URL: https://codereview.chromium.org/275373004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@269891 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/spellchecker/spelling_service_client.cc

@@ -4,7 +4,6 @@
 
 #include "chrome/browser/spellchecker/spelling_service_client.h"
 
-#include "base/command_line.h"
 #include "base/json/json_reader.h"
 #include "base/json/string_escape.h"
 #include "base/logging.h"
@@ -14,7 +13,6 @@
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
-#include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/spellcheck_common.h"
 #include "chrome/common/spellcheck_result.h"