Change ChooserController ownership model

chrome/browser/ui/cocoa/extensions/chooser_dialog_cocoa.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/extensions/chooser_dialog_cocoa.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/extensions/chrome_extension_chooser_dialog.h"
 #include "chrome/browser/ui/browser_dialogs.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_sheet.h"
 #import "chrome/browser/ui/cocoa/constrained_window/constrained_window_custom_window.h"
 #import "chrome/browser/ui/cocoa/extensions/chooser_dialog_cocoa_controller.h"
+#include "components/chooser_controller/chooser_controller.h"
 #include "components/web_modal/web_contents_modal_dialog_manager.h"
 
-ChooserDialogCocoa::ChooserDialogCocoa(content::WebContents* web_contents,
-                                       ChooserController* chooser_controller)
-    : web_contents_(web_contents), chooser_controller_(chooser_controller) {
+ChooserDialogCocoa::ChooserDialogCocoa(
+    content::WebContents* web_contents,
+    std::unique_ptr<ChooserController> chooser_controller)
+    : web_contents_(web_contents) {
   DCHECK(web_contents_);
-  DCHECK(chooser_controller_);
-  chooser_controller_->set_observer(this);
+  DCHECK(chooser_controller);
   chooser_dialog_cocoa_controller_.reset([[ChooserDialogCocoaController alloc]
       initWithChooserDialogCocoa:this
-               chooserController:chooser_controller_]);
+               chooserController:std::move(chooser_controller)]);
 }
 
 ChooserDialogCocoa::~ChooserDialogCocoa() {}
 
 void ChooserDialogCocoa::OnConstrainedWindowClosed(
     ConstrainedWindowMac* window) {
   base::ThreadTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE, this);
 }
 
-void ChooserDialogCocoa::OnOptionsInitialized() {
-  if (chooser_dialog_cocoa_controller_)
-    [chooser_dialog_cocoa_controller_ onOptionsInitialized];
-}
-
-void ChooserDialogCocoa::OnOptionAdded(size_t index) {
-  if (chooser_dialog_cocoa_controller_)
-    [chooser_dialog_cocoa_controller_ onOptionAdded:index];
-}
-
-void ChooserDialogCocoa::OnOptionRemoved(size_t index) {
-  if (chooser_dialog_cocoa_controller_)
-    [chooser_dialog_cocoa_controller_ onOptionRemoved:index];
-}
-
 void ChooserDialogCocoa::ShowDialog() {
   base::scoped_nsobject<NSWindow> window([[ConstrainedWindowCustomWindow alloc]
       initWithContentRect:[[chooser_dialog_cocoa_controller_ view] bounds]]);
   [[window contentView] addSubview:[chooser_dialog_cocoa_controller_ view]];
   base::scoped_nsobject<CustomConstrainedWindowSheet> sheet(
       [[CustomConstrainedWindowSheet alloc] initWithCustomWindow:window]);
   constrained_window_ =
       CreateAndShowWebModalDialogMac(this, web_contents_, sheet);
 }
 
 void ChooserDialogCocoa::Dismissed() {
   if (constrained_window_)
     constrained_window_->CloseWebContentsModalDialog();
 }
 
 void ChromeExtensionChooserDialog::ShowDialog(
-    ChooserController* chooser_controller) const {
+    std::unique_ptr<ChooserController> chooser_controller) const {
   if (chrome::ToolkitViewsWebUIDialogsEnabled())
-    return ChromeExtensionChooserDialog::ShowDialogImpl(chooser_controller);
+    return ChromeExtensionChooserDialog::ShowDialogImpl(
+        std::move(chooser_controller));
 
   web_modal::WebContentsModalDialogManager* manager =
       web_modal::WebContentsModalDialogManager::FromWebContents(web_contents_);
   if (manager) {
     // These objects will delete themselves when the dialog closes.
     ChooserDialogCocoa* chooser_dialog =
-        new ChooserDialogCocoa(web_contents_, chooser_controller);
+        new ChooserDialogCocoa(web_contents_, std::move(chooser_controller));
     chooser_dialog->ShowDialog();
   }
 }