MacViews: Refactor aura dependency from ExtensionPopup

chrome/browser/ui/views/extensions/extension_popup_aura.cc

+// Copyright 2015 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/views/extensions/extension_popup_aura.h"
+
+#include "ui/aura/window.h"
+#include "ui/views/widget/widget.h"
+#include "ui/wm/core/window_animations.h"
+#include "ui/wm/core/window_util.h"
+#include "ui/wm/public/activation_client.h"
+
+// static
+ExtensionPopup* ExtensionPopup::Create(extensions::ExtensionViewHost* host,
+                                       views::View* anchor_view,
+                                       views::BubbleBorder::Arrow arrow,
+                                       ShowAction show_action) {
+  auto popup = new ExtensionPopupAura(host, anchor_view, arrow, show_action);
+  views::Widget* widget = views::BubbleDelegateView::CreateBubble(popup);
+  gfx::NativeView native_view = widget->GetNativeView();
+
+  wm::SetWindowVisibilityAnimationType(
+      native_view, wm::WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL);
+  wm::SetWindowVisibilityAnimationVerticalPosition(native_view, -3.0f);
+
+  aura::client::GetActivationClient(native_view->GetRootWindow())
+      ->AddObserver(popup);
+
+  return popup;
+}
+
+ExtensionPopupAura::ExtensionPopupAura(extensions::ExtensionViewHost* host,
+                                       views::View* anchor_view,
+                                       views::BubbleBorder::Arrow arrow,
+                                       ShowAction show_action)
+    : ExtensionPopup(host, anchor_view, arrow, show_action) {
+}
+
+ExtensionPopupAura::~ExtensionPopupAura() {
+}
+
+void ExtensionPopupAura::OnWidgetDestroying(views::Widget* widget) {
+  ExtensionPopup::OnWidgetDestroying(widget);
+
+  if (widget == GetWidget()) {
+    auto activation_client = aura::client::GetActivationClient(
+        widget->GetNativeWindow()->GetRootWindow());
+    // If the popup was being inspected with devtools and the browser window
+    // was closed, then the root window and activation client are already
+    // destroyed.
+    if (activation_client)
+      activation_client->RemoveObserver(this);
+  }
+}
+
+void ExtensionPopupAura::OnWindowActivated(aura::Window* gained_active,
+                                           aura::Window* lost_active) {
+  // Close on anchor window activation (ie. user clicked the browser window).
+  // DesktopNativeWidgetAura does not trigger the expected browser widget
+  // [de]activation events when activating widgets in its own root window.
+  // This additional check handles those cases. See: http://crbug.com/320889
+  if (gained_active == anchor_widget()->GetNativeWindow())
+    OnAnchorWindowActivation();
+}