Enhance chrome.app.window API for shelf integration with pinning support

ash/mus/shelf_delegate_mus.cc

 // Copyright 2016 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/mus/shelf_delegate_mus.h"
 
 #include <memory>
 
 #include "ash/common/shelf/shelf_item_delegate.h"
 #include "ash/common/shelf/shelf_menu_model.h"
@@ skipping 183 matching lines @@
 void ShelfDelegateMus::OnShelfAutoHideStateChanged(WmShelf* shelf) {}
 
 void ShelfDelegateMus::OnShelfVisibilityStateChanged(WmShelf* shelf) {}
 
 ShelfID ShelfDelegateMus::GetShelfIDForAppID(const std::string& app_id) {
   if (app_id_to_shelf_id_.count(app_id))
     return app_id_to_shelf_id_[app_id];
   return 0;
 }
 
+ShelfID ShelfDelegateMus::GetShelfIDForAppIDAndLaunchID(
+    const std::string& app_id,
+    const std::string& launch_id) {
+  return ShelfDelegateMus::GetShelfIDForAppID(app_id);
+}
+
 bool ShelfDelegateMus::HasShelfIDToAppIDMapping(ShelfID id) const {
   return shelf_id_to_app_id_.count(id) != 0;
 }
 
 const std::string& ShelfDelegateMus::GetAppIDForShelfID(ShelfID id) {
   if (shelf_id_to_app_id_.count(id))
     return shelf_id_to_app_id_[id];
   return base::EmptyString();
 }
 
@@ skipping 95 matching lines @@
     return;
   ShelfID shelf_id = app_id_to_shelf_id_[app_id];
   int index = model_->ItemIndexByID(shelf_id);
   DCHECK_GE(index, 0);
   ShelfItem item = *model_->ItemByID(shelf_id);
   item.image = GetShelfIconFromBitmap(image);
   model_->Set(index, item);
 }
 
 }  // namespace ash