MacViews: Enable views based Ask Google For Suggestions dialog behind secondary-ui-md flag.

chrome/browser/ui/cocoa/confirm_bubble_views_mac.mm

+// Copyright 2017 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/confirm_bubble.h"
+
+#import "chrome/browser/ui/cocoa/confirm_bubble_controller.h"
+#include "chrome/browser/ui/confirm_bubble_model.h"
+#include "chrome/browser/ui/views/confirm_bubble_views.h"
+#include "components/constrained_window/constrained_window_views.h"
+#include "ui/base/material_design/material_design_controller.h"
+
+namespace {
+
+void ShowConfirmBubbleViews(gfx::NativeWindow window,
+                            std::unique_ptr<ConfirmBubbleModel> model) {
+  constrained_window::CreateBrowserModalDialogViews(
+      new ConfirmBubbleViews(std::move(model)), window)
+      ->Show();
+}
+
+}  // namespace
+
+namespace chrome {
+
+void ShowConfirmBubble(gfx::NativeWindow window,
+                       gfx::NativeView anchor_view,
+                       const gfx::Point& origin,
+                       std::unique_ptr<ConfirmBubbleModel> model) {
+  if (ui::MaterialDesignController::IsSecondaryUiMaterial()) {
+    ShowConfirmBubbleViews(window, std::move(model));
+    return;
+  }
+
+  // Create a custom NSViewController that manages a bubble view, and add it to
+  // a child to the specified |anchor_view|. This controller will be
+  // automatically deleted when it loses first-responder status.
+  ConfirmBubbleController* controller =
+      [[ConfirmBubbleController alloc] initWithParent:anchor_view
+                                               origin:origin.ToCGPoint()
+                                                model:std::move(model)];
+  [anchor_view addSubview:[controller view]
+               positioned:NSWindowAbove
+               relativeTo:nil];
+  [[anchor_view window] makeFirstResponder:[controller view]];
+}
+
+}  // namespace chrome