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

ash/renderer_context_menu/link_handler_model.h

Index: ash/renderer_context_menu/link_handler_model.h
diff --git a/ash/renderer_context_menu/link_handler_model.h b/ash/renderer_context_menu/link_handler_model.h
new file mode 100644
index 0000000000000000000000000000000000000000..8c21345bc7b349b8fee1b2890c9a31bafbd527fa
--- /dev/null
+++ b/ash/renderer_context_menu/link_handler_model.h
@@ -0,0 +1,41 @@
+// 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.
+
+#ifndef ASH_RENDERER_CONTEXT_MENU_LINK_HANDLER_MODEL_

[Ben Goodger (Google), 2016/04/20 17:56:49]

ash shouldn't know about the concept of a renderer. From its perspective, it's
providing an interface that apps can use to populate UI & dispatch links. I'd
just put this under src/ash.

[Yusuke Sato, 2016/04/22 05:27:47]

Done.

+#define ASH_RENDERER_CONTEXT_MENU_LINK_HANDLER_MODEL_
+
+#include <string>
+
+#include "ash/ash_export.h"
+#include "ui/gfx/image/image.h"
+
+class GURL;
+
+namespace ash {
+
+struct ASH_EXPORT LinkHandlerInfo {
+  std::string name;
+  gfx::Image icon;
+  uint32_t id;
+};
+
+// A class which represents items in a menu OpenWithMenuController returns.
+class ASH_EXPORT LinkHandlerModel {
+ public:
+  class Observer {
+   public:
+    virtual ~Observer();
+    virtual void ModelChanged(const std::vector<LinkHandlerInfo>& handlers) = 0;
+  };
+
+  virtual ~LinkHandlerModel();
+  virtual void AddObserver(Observer* observer) = 0;
+
+  // Opens the |url| with a handler specified by the |handler_id|.
+  virtual void OpenLinkWithHandler(const GURL& url, uint32_t handler_id) = 0;
+};
+
+}  // namespace ash
+
+#endif  // ASH_RENDERER_CONTEXT_MENU_OPEN_WITH_ITEMS_H_