Add getSelf method to management API to use without the "management" permission.

chrome/browser/extensions/api/management/management_api.cc

Index: chrome/browser/extensions/api/management/management_api.cc
diff --git a/chrome/browser/extensions/api/management/management_api.cc b/chrome/browser/extensions/api/management/management_api.cc
index 44d301d6aafa13d91b3083e005b96e8dc9677176..236e2ef94535295ec2b391a6242dea05517ccc9e 100644
--- a/chrome/browser/extensions/api/management/management_api.cc
+++ b/chrome/browser/extensions/api/management/management_api.cc
@@ -326,6 +326,14 @@ bool ManagementGetFunction::RunSync() {
   return true;
 }
 
+bool ManagementGetSelfFunction::RunSync() {
+  scoped_ptr<management::ExtensionInfo> info =
+      CreateExtensionInfo(*extension_, ExtensionSystem::Get(GetProfile()));
+  results_ = management::Get::Results::Create(*info);
+
+  return true;
+}
+
 bool ManagementGetPermissionWarningsByIdFunction::RunSync() {
   scoped_ptr<management::GetPermissionWarningsById::Params> params(
       management::GetPermissionWarningsById::Params::Create(*args_));