Fold AppModalDialog into its only subclass, JavaScriptAppModalDialog.

components/app_modal/app_modal_dialog.h

Index: components/app_modal/app_modal_dialog.h
diff --git a/components/app_modal/app_modal_dialog.h b/components/app_modal/app_modal_dialog.h
deleted file mode 100644
index c4923eaf88aa3bd4c2fcdf1c563a42be506cc5ca..0000000000000000000000000000000000000000
--- a/components/app_modal/app_modal_dialog.h
+++ /dev/null
@@ -1,102 +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.
-
-#ifndef COMPONENTS_APP_MODAL_APP_MODAL_DIALOG_H_
-#define COMPONENTS_APP_MODAL_APP_MODAL_DIALOG_H_
-
-#include <string>
-
-#include "base/macros.h"
-#include "base/strings/string16.h"
-#include "build/build_config.h"
-
-namespace content {
-class WebContents;
-}
-
-namespace app_modal {
-
-class NativeAppModalDialog;
-
-// A controller+model base class for modal dialogs.
-class AppModalDialog {
- public:
-  // A union of data necessary to determine the type of message box to
-  // show.
-  AppModalDialog(content::WebContents* web_contents,
-                 const base::string16& title);
-  virtual ~AppModalDialog();
-
-  // Called by the AppModalDialogQueue to show this dialog.
-  void ShowModalDialog();
-
-  // Called by the AppModalDialogQueue to activate the dialog.
-  void ActivateModalDialog();
-
-  // Closes the dialog if it is showing.
-  void CloseModalDialog();
-
-  // Completes dialog handling, shows next modal dialog from the queue.
-  // TODO(beng): Get rid of this method.
-  void CompleteDialog();
-
-  base::string16 title() const { return title_; }
-  NativeAppModalDialog* native_dialog() const { return native_dialog_; }
-  content::WebContents* web_contents() const { return web_contents_; }
-
-  // Returns true if the dialog is still valid. As dialogs are created they are
-  // added to the AppModalDialogQueue. When the current modal dialog finishes
-  // and it's time to show the next dialog in the queue IsValid is invoked.
-  // If IsValid returns false the dialog is deleted and not shown.
-  bool IsValid();
-
-  // Methods overridable by AppModalDialog subclasses:
-
-  // Invalidates the dialog, therefore causing it to not be shown when its turn
-  // to be shown comes around.
-  virtual void Invalidate();
-
-  // Used only for testing. Returns whether the dialog is a JavaScript modal
-  // dialog.
-  virtual bool IsJavaScriptModalDialog();
-
- protected:
-  // Overridden by subclasses to create the feature-specific native dialog box.
-  virtual NativeAppModalDialog* CreateNativeDialog() = 0;
-
- private:
-  // Information about the message box is held in the following variables.
-  base::string16 title_;
-
-  // True if CompleteDialog was called.
-  bool completed_;
-
-  // False if the dialog should no longer be shown, e.g. because the underlying
-  // tab navigated away while the dialog was queued.
-  bool valid_;
-
-  // The toolkit-specific implementation of the app modal dialog box.
-  NativeAppModalDialog* native_dialog_;
-
-  content::WebContents* web_contents_;
-
-  DISALLOW_COPY_AND_ASSIGN(AppModalDialog);
-};
-
-// An interface to observe that a modal dialog is shown.
-class AppModalDialogObserver {
- public:
-  AppModalDialogObserver();
-  virtual ~AppModalDialogObserver();
-
-  // Called when the modal dialog is shown.
-  virtual void Notify(AppModalDialog* dialog) = 0;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(AppModalDialogObserver);
-};
-
-}  // namespace app_modal
-
-#endif  // COMPONENTS_APP_MODAL_APP_MODAL_DIALOG_H_