Clean up most of the ChromeOS headers in non-ChromeOS build

extensions/browser/api/web_request/web_request_api.cc

Index: extensions/browser/api/web_request/web_request_api.cc
diff --git a/extensions/browser/api/web_request/web_request_api.cc b/extensions/browser/api/web_request/web_request_api.cc
index 334f3f409a0e63a08fa7d65f39fcc265459e73a1..d2e230904eab9a3009dd1badf2bc0149b903aa46 100644
--- a/extensions/browser/api/web_request/web_request_api.cc
+++ b/extensions/browser/api/web_request/web_request_api.cc
@@ -24,7 +24,6 @@
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "base/values.h"
-#include "chromeos/login/login_state.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/resource_request_info.h"
 #include "content/public/common/browser_side_navigation_policy.h"
@@ -72,6 +71,10 @@
 #include "ui/base/l10n/l10n_util.h"
 #include "url/gurl.h"
 
+#if defined(OS_CHROMEOS)
+#include "chromeos/login/login_state.h"
+#endif  // defined(OS_CHROMEOS)
+
 using content::BrowserThread;
 using content::ResourceRequestInfo;
 using extension_web_request_api_helpers::ExtraInfoSpec;