Rename platform-independent ConstrainedWindow types to WebContentsModalDialog types (part 1)

chrome/browser/ui/constrained_window.h

-// Copyright (c) 2012 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 CHROME_BROWSER_UI_CONSTRAINED_WINDOW_H_
-#define CHROME_BROWSER_UI_CONSTRAINED_WINDOW_H_
-
-#include "build/build_config.h"
-#include "ui/gfx/native_widget_types.h"
-
-///////////////////////////////////////////////////////////////////////////////
-// ConstrainedWindow
-//
-//  This interface represents a window that is constrained to a
-//  WebContentsView's bounds.
-//
-class ConstrainedWindow {
- public:
-  // Makes the Constrained Window visible. Only one Constrained Window is shown
-  // at a time per tab.
-  virtual void ShowConstrainedWindow() = 0;
-
-  // Closes the Constrained Window.
-  virtual void CloseConstrainedWindow() = 0;
-
-  // Sets focus on the Constrained Window.
-  virtual void FocusConstrainedWindow();
-
-  // Runs a pulse animation for the constrained window.
-  virtual void PulseConstrainedWindow();
-
-  // Checks if the constrained window can be shown.
-  virtual bool CanShowConstrainedWindow();
-
-  // Returns the native window of the constrained window.
-  virtual gfx::NativeWindow GetNativeWindow();
-
- protected:
-  virtual ~ConstrainedWindow() {}
-};
-
-#endif  // CHROME_BROWSER_UI_CONSTRAINED_WINDOW_H_