Split Mac WebDropTarget into two, content and chrome.

chrome/browser/tab_contents/web_drag_bookmark_handler_mac.h

+// Copyright (c) 2011 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_WEB_DRAG_BOOKMARK_HANDLER_MAC_H_
+#define CHROME_BROWSER_TAB_CONTENTS_WEB_DRAG_BOOKMARK_HANDLER_MAC_H_
+#pragma once
+
+#include "base/compiler_specific.h"
+#include "chrome/browser/bookmarks/bookmark_node_data.h"
+#include "content/browser/tab_contents/web_drag_dest_delegate.h"
+
+class TabContentsWrapper;
+
+// Chrome needs to intercept content drag events so it can dispatch them to the
+// bookmarks and extensions system.
+class WebDragBookmarkHandlerMac : public content::WebDragDestDelegate {
+ public:
+  WebDragBookmarkHandlerMac();
+  virtual ~WebDragBookmarkHandlerMac();
+
+  // Overridden from WebDragBookmarkDelegate:

[jochen (gone - plz use gerrit), 2011/11/01 15:16:07]

from WebDragDestDelegate?

[Avi (use Gerrit), 2011/11/01 16:01:06]

sigh. fixing everywhere.

+  virtual void DragInitialize(TabContents* contents) OVERRIDE;
+  virtual void OnDragOver() OVERRIDE;
+  virtual void OnDragEnter() OVERRIDE;
+  virtual void OnDrop() OVERRIDE;
+  virtual void OnDragLeave() OVERRIDE;
+
+ private:
+  // The TabContentsWrapper for |tab_contents_|.
+  // Weak reference; may be NULL if the contents aren't contained in a wrapper
+  // (e.g. WebUI dialogs).
+  TabContentsWrapper* tab_;
+
+  // The bookmark data for the current tab. This will be empty if there is not
+  // a native bookmark drag.
+  BookmarkNodeData bookmark_drag_data_;
+};

[jochen (gone - plz use gerrit), 2011/11/01 15:16:07]

disallow copy & assign?

[Avi (use Gerrit), 2011/11/01 16:01:06]

yep.

+
+#endif  // CHROME_BROWSER_TAB_CONTENTS_WEB_DRAG_BOOKMARK_HANDLER_MAC_H_