Mac: implement DnD of URLs onto Omnibox.

chrome/browser/cocoa/toolbar_controller.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_COCOA_TOOLBAR_CONTROLLER_H_
 #define CHROME_BROWSER_COCOA_TOOLBAR_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/scoped_ptr.h"
 #include "base/scoped_nsobject.h"
 #import "chrome/browser/cocoa/command_observer_bridge.h"
 #import "chrome/browser/cocoa/delayedmenu_button.h"
+#import "chrome/browser/cocoa/url_drop_target.h"
 #import "chrome/browser/cocoa/view_resizer.h"
 #include "chrome/common/pref_member.h"
 
 class AppMenuModel;
 @class AutocompleteTextField;
 @class AutocompleteTextFieldEditor;
 @class BackForwardMenuController;
 class Browser;
 @class BrowserActionsController;
 class BubblePositioner;
@@ skipping 10 matching lines @@
 }
 class Profile;
 class TabContents;
 class ToolbarModel;
 
 // A controller for the toolbar in the browser window. Manages
 // updating the state for location bar and back/fwd/reload/go buttons.
 // Manages the bookmark bar and its position in the window relative to
 // the web content view.
 
-@interface ToolbarController :
-    NSViewController<CommandObserverProtocol> {
+@interface ToolbarController : NSViewController<CommandObserverProtocol,
+                                                URLDropTargetController> {
  @private
   ToolbarModel* toolbarModel_;  // weak, one per window
   CommandUpdater* commands_;  // weak, one per window
   Profile* profile_;  // weak, one per window
   Browser* browser_;  // weak, one per window
   scoped_ptr<CommandObserverBridge> commandObserver_;
   scoped_ptr<LocationBarViewMac> locationBarView_;
   scoped_nsobject<AutocompleteTextFieldEditor> autocompleteTextFieldEditor_;
   id<ViewResizer> resizeDelegate_;  // weak
   scoped_nsobject<BackForwardMenuController> backMenuController_;
@@ skipping 107 matching lines @@
 - (NSArray*)toolbarViews;
 - (void)showOptionalHomeButton;
 - (void)showOptionalPageWrenchButtons;
 - (gfx::Rect)locationStackBounds;
 // Return a hover button for the current event.
 - (NSButton*)hoverButtonForEvent:(NSEvent*)theEvent;
 - (BrowserActionsController*)browserActionsController;
 @end
 
 #endif  // CHROME_BROWSER_COCOA_TOOLBAR_CONTROLLER_H_