Part 1 of dragging extensions on the shelf. This part was just about getting...

chrome/browser/extensions/extension_shelf.h

 // Copyright (c) 2009 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_EXTENSIONS_EXTENSION_SHELF_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SHELF_H_
 
 #include "app/gfx/canvas.h"
 #include "base/task.h"
 #include "chrome/browser/extensions/extension_view.h"
@@ skipping 37 matching lines @@
   bool HasExtensionViews();
 
   // ExtensionContainer
   virtual void OnExtensionMouseEvent(ExtensionView* view);
   virtual void OnExtensionMouseLeave(ExtensionView* view);
 
   // BrowserBubble::Delegate
   virtual void BubbleBrowserWindowMoved(BrowserBubble* bubble);
   virtual void BubbleBrowserWindowClosed(BrowserBubble* bubble);
 
+  // Dragging toolstrips
+  void DragExtension();
+  void DropExtension(const gfx::Point& pt, bool cancel);
+  void DragHandleTo(const gfx::Point& pt);
+
  protected:
   // View
   virtual void ChildPreferredSizeChanged(View* child);
 
  private:
   // Inits the background bitmap.
   void InitBackground(gfx::Canvas* canvas, const SkRect& subset);
 
   // Removes any toolstrips associated with an extension.
   bool RemoveExtensionViews(Extension* extension);
@@ skipping 21 matching lines @@
 
   // Whether to handle is visible;
   bool handle_visible_;
 
   // Which child view the handle is currently over.
   ExtensionView* current_handle_view_;
 
   // Timers for tracking mouse hovering.
   ScopedRunnableMethodFactory<ExtensionShelf> timer_factory_;
 
+  // A placeholder for a pending drag
+  View* drag_placeholder_view_;
+
   DISALLOW_COPY_AND_ASSIGN(ExtensionShelf);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SHELF_H_