Disallowing shelf changes via drag & drop if the enterprise profile does not allow changes

ash/test/test_launcher_delegate.cc

Index: ash/test/test_launcher_delegate.cc
diff --git a/ash/test/test_launcher_delegate.cc b/ash/test/test_launcher_delegate.cc
index b0025b52f590c6d53798b2b7e775e0479693e4d1..8c44828e9f1ea90d8a5ccd60b32a262854596774 100644
--- a/ash/test/test_launcher_delegate.cc
+++ b/ash/test/test_launcher_delegate.cc
@@ -149,6 +149,10 @@ const std::string& TestLauncherDelegate::GetAppIDForLauncherID(LauncherID id) {
 void TestLauncherDelegate::PinAppWithID(const std::string& app_id) {
 }
 
+bool TestLauncherDelegate::CanPin() const {
+  return true;
+}
+
 bool TestLauncherDelegate::IsAppPinned(const std::string& app_id) {
   return false;
 }