Allow dragging and dropping of URLs to any portion of the toolbar view....

chrome/browser/ui/views/toolbar_view.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_UI_VIEWS_TOOLBAR_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_TOOLBAR_VIEW_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 101 matching lines @@
                        const NotificationDetails& details);
 
   // Overridden from ui::AcceleratorProvider:
   virtual bool GetAcceleratorForCommandId(int command_id,
                                           ui::Accelerator* accelerator);
 
   // Overridden from views::View:
   virtual gfx::Size GetPreferredSize();
   virtual void Layout();
   virtual void Paint(gfx::Canvas* canvas);
+  virtual bool GetDropFormats(
+      int* formats,
+      std::set<OSExchangeData::CustomFormat>* custom_formats);
+  virtual bool CanDrop(const ui::OSExchangeData& data);
+  virtual int OnDragUpdated(const views::DropTargetEvent& event);
+  virtual int OnPerformDrop(const views::DropTargetEvent& event);
   virtual void OnThemeChanged();
 
   // The apparent horizontal space between most items, and the vertical padding
   // above and below them.
   static const int kStandardSpacing;
   // The top of the toolbar has an edge we have to skip over in addition to the
   // standard spacing.
   static const int kVertSpacing;
 
  protected:
@@ skipping 90 matching lines @@
 
   // If non-null the destructor sets this to true. This is set to a non-null
   // while the menu is showing and used to detect if the menu was deleted while
   // running.
   bool* destroyed_flag_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ToolbarView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TOOLBAR_VIEW_H_