Integrate the account chooser dialog on Mac.

chrome/browser/ui/cocoa/passwords/password_prompt_view_bridge.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.
+
+#include "chrome/browser/ui/cocoa/passwords/password_prompt_view_bridge.h"
+
+#include "chrome/browser/profiles/profile.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/passwords/account_chooser_view_controller.h"
+#include "chrome/browser/ui/passwords/password_dialog_controller.h"
+#include "content/public/browser/web_contents.h"
+
+PasswordPromptViewBridge::PasswordPromptViewBridge(
+    PasswordDialogController* controller,
+    content::WebContents* web_contents)
+    : controller_(controller),
+      web_contents_(web_contents) {
+}
+
+PasswordPromptViewBridge::~PasswordPromptViewBridge() = default;
+
+void PasswordPromptViewBridge::Show() {
+  view_controller_.reset(
+      [[AccountChooserViewController alloc] initWithBridge:this]);
+  // Setup the constrained window that will show the view.
+  base::scoped_nsobject<NSWindow> window([[ConstrainedWindowCustomWindow alloc]
+      initWithContentRect:[[view_controller_ view] bounds]]);
+  [window setContentView:[view_controller_ view]];
+  base::scoped_nsobject<CustomConstrainedWindowSheet> sheet(
+      [[CustomConstrainedWindowSheet alloc] initWithCustomWindow:window]);
+  constrained_window_.reset(
+      new ConstrainedWindowMac(this, web_contents_, sheet));
+}
+
+void PasswordPromptViewBridge::ControllerGone() {
+  controller_ = nullptr;
+  PerformClose();
+}
+
+void PasswordPromptViewBridge::OnConstrainedWindowClosed(
+    ConstrainedWindowMac* window) {
+  if (controller_)
+    controller_->OnCloseAccountChooser();
+  delete this;
+}
+
+void PasswordPromptViewBridge::PerformClose() {
+  constrained_window_->CloseWebContentsModalDialog();
+}
+
+PasswordDialogController*
+PasswordPromptViewBridge::GetDialogController() {
+  return controller_;
+}
+
+net::URLRequestContextGetter*
+PasswordPromptViewBridge::GetRequestContext() const {
+  return Profile::FromBrowserContext(web_contents_->GetBrowserContext())->
+      GetRequestContext();
+}
+
+AccountChooserPrompt* CreateAccountChooserPromptView(
+    PasswordDialogController* controller, content::WebContents* web_contents) {
+  return new PasswordPromptViewBridge(controller, web_contents);
+}