Fold AppModalDialog into its only subclass, JavaScriptAppModalDialog.

components/app_modal/app_modal_dialog.cc

Index: components/app_modal/app_modal_dialog.cc
diff --git a/components/app_modal/app_modal_dialog.cc b/components/app_modal/app_modal_dialog.cc
deleted file mode 100644
index 8689b7fc03a199bdde4a33b8cb146113ec0c88a1..0000000000000000000000000000000000000000
--- a/components/app_modal/app_modal_dialog.cc
+++ /dev/null
@@ -1,80 +0,0 @@
-// Copyright (c) 2011 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 "components/app_modal/app_modal_dialog.h"
-
-#include "base/logging.h"
-#include "base/run_loop.h"
-#include "components/app_modal/app_modal_dialog_queue.h"
-#include "components/app_modal/native_app_modal_dialog.h"
-
-using content::WebContents;
-
-namespace app_modal {
-namespace {
-
-AppModalDialogObserver* app_modal_dialog_observer = NULL;
-
-}  // namespace
-
-AppModalDialogObserver::AppModalDialogObserver() {
-  DCHECK(!app_modal_dialog_observer);
-  app_modal_dialog_observer = this;
-}
-
-AppModalDialogObserver::~AppModalDialogObserver() {
-  DCHECK(app_modal_dialog_observer);
-  app_modal_dialog_observer = NULL;
-}
-
-AppModalDialog::AppModalDialog(WebContents* web_contents,
-                               const base::string16& title)
-    : title_(title),
-      completed_(false),
-      valid_(true),
-      native_dialog_(NULL),
-      web_contents_(web_contents) {
-}
-
-AppModalDialog::~AppModalDialog() {
-  CompleteDialog();
-}
-
-void AppModalDialog::ShowModalDialog() {
-  native_dialog_ = CreateNativeDialog();
-  native_dialog_->ShowAppModalDialog();
-  if (app_modal_dialog_observer)
-    app_modal_dialog_observer->Notify(this);
-}
-
-bool AppModalDialog::IsValid() {
-  return valid_;
-}
-
-void AppModalDialog::Invalidate() {
-  valid_ = false;
-}
-
-bool AppModalDialog::IsJavaScriptModalDialog() {
-  return false;
-}
-
-void AppModalDialog::ActivateModalDialog() {
-  DCHECK(native_dialog_);
-  native_dialog_->ActivateAppModalDialog();
-}
-
-void AppModalDialog::CloseModalDialog() {
-  DCHECK(native_dialog_);
-  native_dialog_->CloseAppModalDialog();
-}
-
-void AppModalDialog::CompleteDialog() {
-  if (!completed_) {
-    completed_ = true;
-    AppModalDialogQueue::GetInstance()->ShowNextDialog();
-  }
-}
-
-}  // namespace app_modal