Bookmark Manager Drag and Drop backend....

chrome/browser/tab_contents/tab_contents.h

 // Copyright (c) 2010 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_TAB_CONTENTS_H_
 #define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 
 #include "build/build_config.h"
 
 #include <deque>
@@ skipping 645 matching lines @@
   virtual std::wstring GetMessageBoxTitle(const GURL& frame_url,
                                           bool is_alert);
   virtual gfx::NativeWindow GetMessageBoxRootWindow();
   virtual void OnMessageBoxClosed(IPC::Message* reply_msg,
                                   bool success,
                                   const std::wstring& prompt);
   virtual void SetSuppressMessageBoxes(bool suppress_message_boxes);
   virtual TabContents* AsTabContents() { return this; }
   virtual ExtensionHost* AsExtensionHost() { return NULL; }
 
+  // The BookmarkDragDelegate is used to forward bookmark drag and drop events
+  // to extensions.
+  virtual RenderViewHostDelegate::BookmarkDrag* GetBookmarkDragDelegate();
+
+  // It is up to callers to call SetBookmarkDragDelegate(NULL) when
+  // |bookmark_drag| is deleted since this class does not take ownership of
+  // |bookmark_drag|.
+  virtual void SetBookmarkDragDelegate(
+      RenderViewHostDelegate::BookmarkDrag* bookmark_drag);
+
  private:
   friend class NavigationController;
   // Used to access the child_windows_ (ConstrainedWindowList) for testing
   // automation purposes.
   friend class AutomationProvider;
 
   FRIEND_TEST(TabContentsTest, NoJSMessageOnInterstitials);
   FRIEND_TEST(TabContentsTest, UpdateTitle);
   FRIEND_TEST(TabContentsTest, CrossSiteCantPreemptAfterUnload);
 
@@ skipping 329 matching lines @@
 
   // AutoFillManager, lazily created.
   scoped_ptr<AutoFillManager> autofill_manager_;
 
   // PasswordManager, lazily created.
   scoped_ptr<PasswordManager> password_manager_;
 
   // PluginInstaller, lazily created.
   scoped_ptr<PluginInstaller> plugin_installer_;
 
+  // Handles drag and drop event forwarding to extensions.
+  BookmarkDrag* bookmark_drag_;
+
   // Handles downloading favicons.
   FavIconHelper fav_icon_helper_;
 
   // Dialog box used for choosing files to upload from file form fields.
   scoped_refptr<SelectFileDialog> select_file_dialog_;
 
   // Cached web app info data.
   webkit_glue::WebApplicationInfo web_app_info_;
 
   // Data for loading state ----------------------------------------------------
@@ skipping 163 matching lines @@
 
   // Information about the language the page is in and has been translated to.
   LanguageState language_state_;
 
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(TabContents);
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_