Omnibox should accept and navigate URLs dropped using drag and drop.

chrome/browser/ui/views/omnibox/omnibox_view_views.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_UI_VIEWS_OMNIBOX_OMNIBOX_VIEW_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_OMNIBOX_OMNIBOX_VIEW_VIEWS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 122 matching lines @@
 
   // views::TextfieldController:
   virtual void ContentsChanged(views::Textfield* sender,
                                const string16& new_contents) OVERRIDE;
   virtual bool HandleKeyEvent(views::Textfield* sender,
                               const ui::KeyEvent& key_event) OVERRIDE;
   virtual void OnBeforeUserAction(views::Textfield* sender) OVERRIDE;
   virtual void OnAfterUserAction(views::Textfield* sender) OVERRIDE;
   virtual void OnAfterCutOrCopy() OVERRIDE;
   virtual void OnWriteDragData(ui::OSExchangeData* data) OVERRIDE;
+  virtual void AppendDropFormats(
+      int* formats,
+      std::set<ui::OSExchangeData::CustomFormat>* custom_formats) OVERRIDE;
+  virtual int OnDrop(const ui::OSExchangeData& data) OVERRIDE;
   virtual void UpdateContextMenu(ui::SimpleMenuModel* menu_contents) OVERRIDE;
   virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
   virtual bool IsItemForCommandIdDynamic(int command_id) const OVERRIDE;
   virtual string16 GetLabelForCommandId(int command_id) const OVERRIDE;
   virtual bool HandlesCommand(int command_id) const OVERRIDE;
   virtual void ExecuteCommand(int command_id) OVERRIDE;
 
 #if defined(OS_CHROMEOS)
   // chromeos::input_method::InputMethodManager::CandidateWindowObserver:
   virtual void CandidateWindowOpened(
@@ skipping 61 matching lines @@
   // Should we select all the text when we see the mouse button get released?
   // We select in response to a click that focuses the omnibox, but we defer
   // until release, setting this variable back to false if we saw a drag, to
   // allow the user to select just a portion of the text.
   bool select_all_on_mouse_release_;
 
   DISALLOW_COPY_AND_ASSIGN(OmniboxViewViews);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_OMNIBOX_OMNIBOX_VIEW_VIEWS_H_