Make ChromeExtensionChooserDialog::ShowDialog work for MacViews

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

 // Copyright 2016 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_CHOOSER_DIALOG_COCOA_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_EXTENSIONS_CHOOSER_DIALOG_COCOA_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
 
-@class ChooserContentView;
+@class ChooserContentViewCocoa;
 class ChooserController;
 class ChooserDialogCocoa;
 
 // Displays a chooser dialog, and notifies the ChooserController
 // of the selected option.
 @interface ChooserDialogCocoaController
     : NSViewController<NSTableViewDataSource, NSTableViewDelegate> {
-  base::scoped_nsobject<ChooserContentView> chooserContentView_;
+  base::scoped_nsobject<ChooserContentViewCocoa> chooserContentViewCocoa_;

[tapted, 2016/06/14 08:49:03]

I see you need to rename the class to avoid a symbol conflict, but I would
classify renaming chooserContentView_ as "optional". But renaming it is fine
too.

[juncai, 2016/06/14 18:08:23]

Done.

   NSTableView* tableView_;   // Weak.
   NSButton* connectButton_;  // Weak.
   NSButton* cancelButton_;   // Weak.
   NSButton* helpButton_;     // Weak.
 
   ChooserDialogCocoa* chooserDialogCocoa_;  // Weak.
   ChooserController* chooserController_;    // Weak.
 }
 
 // Designated initializer.  |chooserDialogCocoa| and |chooserController|
@@ skipping 16 matching lines @@
 
 // Called when the "Connect" button is pressed.
 - (void)onConnect:(id)sender;
 
 // Called when the "Cancel" button is pressed.
 - (void)onCancel:(id)sender;
 
 // Called when the "Get help" button is pressed.
 - (void)onHelpPressed:(id)sender;
 
-// Gets the |chooserContentView_|. For testing only.
-- (ChooserContentView*)chooserContentView;
+// Gets the |chooserContentViewCocoa_|. For testing only.
+- (ChooserContentViewCocoa*)chooserContentViewCocoa;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_EXTENSIONS_CHOOSER_DIALOG_COCOA_CONTROLLER_H_