Move JavaScriptDialogManager, JavascriptAppModalDialogViews to components/app_modal_dialogs

chrome/browser/ui/views/javascript_app_modal_dialog_views_x11.cc

+// Copyright 2014 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/javascript_app_modal_dialog_views_x11.h"
+
+#include "chrome/browser/ui/views/javascript_app_modal_event_blocker_x11.h"
+#include "ui/views/widget/widget.h"
+
+JavaScriptAppModalDialogViewsX11::JavaScriptAppModalDialogViewsX11(
+    JavaScriptAppModalDialog* parent)
+    : JavaScriptAppModalDialogViews(parent) {}
+
+JavaScriptAppModalDialogViewsX11::~JavaScriptAppModalDialogViewsX11() {
+}
+
+void JavaScriptAppModalDialogViewsX11::ShowAppModalDialog() {
+  // BrowserView::CanActivate() ensures that other browser windows cannot be
+  // activated for long while the dialog is visible. Block events to other
+  // browser windows so that the user cannot interact with other browser windows
+  // in the short time that the other browser windows are active. This hack is
+  // unnecessary on Windows and Chrome OS.
+  // TODO(pkotwicz): Find a better way of doing this and remove this hack.
+  if (!event_blocker_x11_.get()) {
+    event_blocker_x11_.reset(
+        new JavascriptAppModalEventBlockerX11(GetWidget()->GetNativeView()));
+  }
+  GetWidget()->Show();
+}
+
+void JavaScriptAppModalDialogViewsX11::WindowClosing() {
+  event_blocker_x11_.reset();
+}