Remove knowledge of USB devices from permission prompt implementations.

chrome/browser/ui/cocoa/extensions/device_permissions_view_controller.h

 // Copyright 2014 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_COCOA_EXTENSIONS_DEVICE_PERMISSIONS_VIEW_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_EXTENSIONS_DEVICE_PERMISSIONS_VIEW_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
 #include "extensions/browser/api/device_permissions_prompt.h"
 
+class DevicePermissionsDialogController;
+
 // Displays the device permissions prompt, and notifies the
-// DevicePermissionsPrompt::Delegate of success or failure.
+// DevicePermissionsDialogController of selected devices.
 @interface DevicePermissionsViewController
     : NSViewController<NSTableViewDataSource, NSTableViewDelegate> {
   IBOutlet NSTextField* titleField_;
   IBOutlet NSTextField* promptField_;
   IBOutlet NSButton* cancelButton_;
   IBOutlet NSButton* okButton_;
   IBOutlet NSTableView* tableView_;
   IBOutlet NSTableColumn* deviceNameColumn_;
   IBOutlet NSTableColumn* serialNumberColumn_;
   IBOutlet NSScrollView* scrollView_;
 
-  extensions::DevicePermissionsPrompt::Delegate* delegate_;  // weak
+  DevicePermissionsDialogController* controller_;  // weak
   scoped_refptr<extensions::DevicePermissionsPrompt::Prompt> prompt_;
 }
 
-- (id)initWithDelegate:(extensions::DevicePermissionsPrompt::Delegate*)delegate
+- (id)
+    initWithController:(DevicePermissionsDialogController*)controller
                 prompt:
                     (scoped_refptr<extensions::DevicePermissionsPrompt::Prompt>)
                         prompt;
 - (IBAction)cancel:(id)sender;
 - (IBAction)ok:(id)sender;
 - (void)devicesChanged;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_EXTENSIONS_DEVICE_PERMISSIONS_VIEW_CONTROLLER_H_