Add an installType property to the management API

chrome/browser/extensions/extension_management_api_constants.cc

Index: chrome/browser/extensions/extension_management_api_constants.cc
diff --git a/chrome/browser/extensions/extension_management_api_constants.cc b/chrome/browser/extensions/extension_management_api_constants.cc
index 02d765b49df691519aa8c687d37f10a9edf7cf87..6e39407a3afd5e9c8e8ee04f0048b5e454979afa 100644
--- a/chrome/browser/extensions/extension_management_api_constants.cc
+++ b/chrome/browser/extensions/extension_management_api_constants.cc
@@ -10,6 +10,7 @@ const char kAppLaunchUrlKey[] = "appLaunchUrl";
 const char kDisabledReasonKey[] = "disabledReason";
 const char kHostPermissionsKey[] = "hostPermissions";
 const char kIconsKey[] = "icons";
+const char kInstallTypeKey[] = "installType";
 const char kIsAppKey[] = "isApp";
 const char kMayDisableKey[] = "mayDisable";
 const char kPermissionsKey[] = "permissions";
@@ -34,4 +35,9 @@ const char kUninstallCanceledError[] = "Extension * uninstall canceled by user";
 const char kUserDidNotReEnableError[] =
     "The user did not accept the re-enable dialog";
 
+const char kInstallTypeNormal[] = "normal";
+const char kInstallTypeDevelopment[] = "development";
+const char kInstallTypeSideload[] = "sideload";
+const char kInstallTypeOther[] = "other";
+
 }  // namespace extension_management_api_constants