Support custom drag-and-drop of bookmarks in Aura

chrome/browser/tab_contents/chrome_web_contents_view_delegate_aura.h

+// 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.
+
+#ifndef CHROME_BROWSER_TAB_CONTENTS_CHROME_WEB_CONTENTS_VIEW_DELEGATE_AURA_H_
+#define CHROME_BROWSER_TAB_CONTENTS_CHROME_WEB_CONTENTS_VIEW_DELEGATE_AURA_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/public/browser/web_contents_view_delegate.h"
+
+class WebDragBookmarkHandlerAura;
+
+namespace content {
+class WebContents;
+}
+
+// A chrome specific class that extends TabContentsViewViews with features like
+// custom drag and drop for bookmarks.
+class ChromeWebContentsViewDelegateAura
+    : public content::WebContentsViewDelegate {
+ public:
+  explicit ChromeWebContentsViewDelegateAura(
+    content::WebContents* web_contents);
+  virtual ~ChromeWebContentsViewDelegateAura();
+
+  // Overridden from WebContentsViewDelegate:
+  virtual content::WebDragDestDelegate* GetDragDestDelegate() OVERRIDE;
+  virtual void ShowContextMenu(
+      const content::ContextMenuParams& params) OVERRIDE;
+
+ private:
+  content::WebContents* web_contents_;
+
+  // The chrome specific delegate for bookmark DnD.
+  scoped_ptr<WebDragBookmarkHandlerAura> bookmark_handler_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeWebContentsViewDelegateAura);
+};
+
+#endif  // CHROME_BROWSER_TAB_CONTENTS_CHROME_WEB_CONTENTS_VIEW_DELEGATE_AURA_H_