Change ChooserController ownership model

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

Index: chrome/browser/ui/cocoa/extensions/chooser_dialog_cocoa_controller.h
diff --git a/chrome/browser/ui/cocoa/extensions/chooser_dialog_cocoa_controller.h b/chrome/browser/ui/cocoa/extensions/chooser_dialog_cocoa_controller.h
index 14fec0df35f6cb0d37770d73961a5fc798169afa..ccc72239ab33c2eaeadd7b42a40110afec0adb01 100644
--- a/chrome/browser/ui/cocoa/extensions/chooser_dialog_cocoa_controller.h
+++ b/chrome/browser/ui/cocoa/extensions/chooser_dialog_cocoa_controller.h
@@ -7,6 +7,8 @@
 
 #import <Cocoa/Cocoa.h>
 
+#include <memory>
+
 #include "base/mac/scoped_nsobject.h"
 
 @class ChooserContentViewCocoa;
@@ -21,29 +23,16 @@ class ChooserDialogCocoa;
   NSTableView* tableView_;   // Weak.
   NSButton* connectButton_;  // Weak.
   NSButton* cancelButton_;   // Weak.
-  NSButton* helpButton_;     // Weak.
 
   ChooserDialogCocoa* chooserDialogCocoa_;  // Weak.
-  ChooserController* chooserController_;    // Weak.
 }
 
 // Designated initializer.  |chooserDialogCocoa| and |chooserController|
 // must both be non-nil.
 - (instancetype)
 initWithChooserDialogCocoa:(ChooserDialogCocoa*)chooserDialogCocoa
-         chooserController:(ChooserController*)chooserController;
-
-// Update |tableView_| when chooser options were initialized.
-- (void)onOptionsInitialized;
-
-// Update |tableView_| when chooser option was added.
-- (void)onOptionAdded:(NSInteger)index;
-
-// Update |tableView_| when chooser option was removed.
-- (void)onOptionRemoved:(NSInteger)index;
-
-// Update |tableView_| when chooser options changed.
-- (void)updateTableView;
+         chooserController:
+             (std::unique_ptr<ChooserController>)chooserController;
 
 // Called when the "Connect" button is pressed.
 - (void)onConnect:(id)sender;
@@ -51,9 +40,6 @@ initWithChooserDialogCocoa:(ChooserDialogCocoa*)chooserDialogCocoa
 // 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.
 - (ChooserContentViewCocoa*)chooserContentView;