MacViews: Allow toolkit-views for "Global Error" bubbles.

chrome/browser/ui/cocoa/global_error_bubble_controller_views.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/platform_util.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_window.h"
+#import "chrome/browser/ui/cocoa/global_error_bubble_controller.h"
+#include "chrome/browser/ui/views/global_error_bubble_view.h"
+#import "chrome/browser/ui/cocoa/bubble_anchor_helper_views.h"
+#import "ui/base/cocoa/cocoa_base_utils.h"
+#import "ui/gfx/mac/coordinate_conversion.h"
+
+GlobalErrorBubbleViewBase* ShowViewsGlobalErrorBubbleOnCocoaBrowser(
+    NSPoint anchor,
+    Browser* browser,
+    const base::WeakPtr<GlobalErrorWithStandardBubble>& error) {
+  gfx::Point anchor_point =
+      gfx::ScreenPointFromNSPoint(ui::ConvertPointFromWindowToScreen(
+          browser->window()->GetNativeWindow(), anchor));
+  gfx::NativeView parent =
+      platform_util::GetViewForWindow(browser->window()->GetNativeWindow());
+  DCHECK(parent);
+
+  GlobalErrorBubbleView* bubble_view = new GlobalErrorBubbleView(
+      nullptr, anchor_point, views::BubbleBorder::TOP_RIGHT, browser, error);
+  bubble_view->set_parent_window(parent);
+  views::BubbleDialogDelegateView::CreateBubble(bubble_view);
+  bubble_view->GetWidget()->Show();
+  KeepBubbleAnchored(bubble_view);
+  return bubble_view;
+}