Add "Open with <ARC-app-name>" items to the context menu

ash/renderer_context_menu/open_with_menu_controller.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/renderer_context_menu/open_with_menu_controller.h"
+
+namespace ash {
+
+OpenWithMenuController::OpenWithMenuController() : delegate_(nullptr) {}
+
+void OpenWithMenuController::SetDelegate(Delegate* delegate) {
+  delegate_ = delegate;
+}
+
+int OpenWithMenuController::PopulateOpenWithMenu(
+    RenderViewContextMenuProxy* proxy,
+    int menu_id_start,
+    size_t num_menu_items,
+    const GURL& url) {
+  if (delegate_)
+    return delegate_->PopulateOpenWithMenu(proxy, menu_id_start, num_menu_items,
+                                           url);
+  return 0;
+}
+
+void OpenWithMenuController::ExecuteCommand(int id) {
+  if (delegate_)
+    delegate_->ExecuteCommand(id);
+}
+
+void OpenWithMenuController::MenuClosed() {
+  if (delegate_)
+    delegate_->MenuClosed();
+}
+
+}  // namespace ash