Drag and drop between app list and launcher - First patch

ash/shell/launcher_delegate_impl.cc

Index: ash/shell/launcher_delegate_impl.cc
diff --git a/ash/shell/launcher_delegate_impl.cc b/ash/shell/launcher_delegate_impl.cc
index b38dee37cf536c8bd3ea45230ed47e9da9845c29..601adaccbfbc909e8f304b29606028515eb6ef2f 100644
--- a/ash/shell/launcher_delegate_impl.cc
+++ b/ash/shell/launcher_delegate_impl.cc
@@ -80,5 +80,16 @@ bool LauncherDelegateImpl::IsPerAppLauncher() {
   return false;
 }
 
+LauncherID LauncherDelegateImpl::GetLauncherIDForAppID(
+    const std::string& app_id) {
+  return 0;
+}
+
+void LauncherDelegateImpl::PinAppWithID(const std::string& app_id) {
+}
+
+void LauncherDelegateImpl::UnpinAppsWithID(const std::string& app_id) {
+}
+
 }  // namespace shell
 }  // namespace ash