Refactor modality-specific behavior from ConstrainedWindowViews to WebContentsModalDialogManager

chrome/browser/ui/views/native_constrained_window_win.cc

-// 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 "chrome/browser/ui/views/constrained_window_views.h"
-
-#include "ui/views/widget/native_widget_win.h"
-
-namespace {
-bool IsNonClientHitTestCode(UINT hittest) {
-  return hittest != HTCLIENT && hittest != HTNOWHERE && hittest != HTCLOSE;
-}
-}
-
-class NativeConstrainedWindowWin : public NativeConstrainedWindow,
-                                   public views::NativeWidgetWin {
- public:
-  explicit NativeConstrainedWindowWin(NativeConstrainedWindowDelegate* delegate)
-      : views::NativeWidgetWin(delegate->AsNativeWidgetDelegate()),
-        delegate_(delegate) {
-  }
-
-  virtual ~NativeConstrainedWindowWin() {
-  }
-
- private:
-  // Overridden from NativeConstrainedWindow:
-  virtual views::NativeWidget* AsNativeWidget() OVERRIDE {
-    return this;
-  }
-
-  // Overridden from views::NativeWidgetWin:
-  virtual void OnFinalMessage(HWND window) OVERRIDE {
-    delegate_->OnNativeConstrainedWindowDestroyed();
-    NativeWidgetWin::OnFinalMessage(window);
-  }
-  virtual bool PreHandleMSG(UINT message,
-                            WPARAM w_param,
-                            LPARAM l_param,
-                            LRESULT* result) OVERRIDE {
-    if (message == WM_MOUSEACTIVATE &&
-        IsNonClientHitTestCode(static_cast<UINT>(LOWORD(l_param)))) {
-      delegate_->OnNativeConstrainedWindowMouseActivate();
-    }
-    return false;
-  }
-
-  NativeConstrainedWindowDelegate* delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(NativeConstrainedWindowWin);
-};
-
-////////////////////////////////////////////////////////////////////////////////
-// NativeConstrainedWindow, public:
-
-// static
-NativeConstrainedWindow* NativeConstrainedWindow::CreateNativeConstrainedWindow(
-    NativeConstrainedWindowDelegate* delegate) {
-  return new NativeConstrainedWindowWin(delegate);
-}