Drag and drop between app list and launcher - First patch

ash/shell/launcher_delegate_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/shell/launcher_delegate_impl.h"
 
 #include "ash/launcher/launcher_util.h"
 #include "ash/shell/toplevel_window.h"
 #include "ash/shell/window_watcher.h"
 #include "ash/wm/window_util.h"
@@ skipping 62 matching lines @@
 void LauncherDelegateImpl::OnLauncherCreated(Launcher* launcher) {
 }
 
 void LauncherDelegateImpl::OnLauncherDestroyed(Launcher* launcher) {
 }
 
 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