[Extensions Cleanup] Move disable_reason.h to extensions/browser

disable_reason.h specifies the reasons an extension may be disabled,
but is only used in the ExtensionPrefs - which is a browser-specific
concept. There should be no reason to share the information with the
renderer.

Bug: None

[email protected] (c/b/chromeos)
[email protected] (c/b/metrics)
[email protected] (c/b/policy)
[email protected] (c/b/themes)
[email protected] (c/b/ui)

Change-Id: I09d7cbf2bd929276fb9b22eaf795766b5e050e88
Reviewed-on: https://chromium-review.googlesource.com/858256
Commit-Queue: Devlin <[email protected]>
Reviewed-by: Devlin <[email protected]>
Reviewed-by: Evan Stade <[email protected]>
Cr-Commit-Position: refs/heads/master@{#528864}
diff --git a/chrome/browser/extensions/extension_service_sync_unittest.cc b/chrome/browser/extensions/extension_service_sync_unittest.cc
index f860551..c81b838 100644
--- a/chrome/browser/extensions/extension_service_sync_unittest.cc
+++ b/chrome/browser/extensions/extension_service_sync_unittest.cc
@@ -47,13 +47,13 @@
 #include "components/variations/variations_associated_data.h"
 #include "extensions/browser/api_test_utils.h"
 #include "extensions/browser/app_sorting.h"
+#include "extensions/browser/disable_reason.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/browser/extension_util.h"
 #include "extensions/browser/management_policy.h"
 #include "extensions/browser/test_management_policy.h"
-#include "extensions/common/disable_reason.h"
 #include "extensions/common/extension_builder.h"
 #include "extensions/common/manifest_url_handlers.h"
 #include "extensions/common/permissions/permission_set.h"