Introduce NativeWebContentsModalDialogManagerDelegate interface

chrome/browser/ui/views/web_contents_modal_dialog_manager_views.cc

 // 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.
 
 #include <set>
 
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/ui/native_web_contents_modal_dialog_manager.h"
 #include "chrome/browser/ui/views/constrained_window_views.h"
 #include "chrome/browser/ui/web_contents_modal_dialog_manager.h"
@@ skipping 14 matching lines @@
 #include "ash/wm/custom_frame_view_ash.h"
 #endif
 
 namespace {
 
 class NativeWebContentsModalDialogManagerViews
     : public NativeWebContentsModalDialogManager,
       public views::WidgetObserver {
  public:
   NativeWebContentsModalDialogManagerViews(
-      WebContentsModalDialogManager* manager)
-      : manager_(manager) {
+      NativeWebContentsModalDialogManagerDelegate* native_delegate)
+      : native_delegate_(native_delegate) {
   }
 
   virtual ~NativeWebContentsModalDialogManagerViews() {
     for (std::set<views::Widget*>::iterator it = observed_widgets_.begin();
          it != observed_widgets_.end();
          ++it) {
       (*it)->RemoveObserver(this);
     }
   }
 
@@ skipping 33 matching lines @@
     gfx::NativeView view = platform_util::GetParent(widget->GetNativeView());
     // Allow the parent to animate again.
     if (view && view->parent())
       view->parent()->ClearProperty(aura::client::kAnimationsDisabledKey);
 #endif
     widget->Close();
   }
 
   // views::WidgetObserver overrides
   virtual void OnWidgetClosing(views::Widget* widget) OVERRIDE {
-    manager_->WillClose(static_cast<ConstrainedWindowViews*>(widget));
+    native_delegate_->WillClose(static_cast<ConstrainedWindowViews*>(widget));
     observed_widgets_.erase(widget);
   }
 
  private:
   static views::Widget* GetWidget(NativeWebContentsModalDialog dialog) {
     views::Widget* widget = views::Widget::GetWidgetForNativeWindow(dialog);
     DCHECK(widget);
     return widget;
   }
 
-  WebContentsModalDialogManager* manager_;
+  NativeWebContentsModalDialogManagerDelegate* native_delegate_;
   std::set<views::Widget*> observed_widgets_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeWebContentsModalDialogManagerViews);
 };
 
 }  // namespace
 
 NativeWebContentsModalDialogManager* WebContentsModalDialogManager::
-CreateNativeManager(WebContentsModalDialogManager* manager) {
-  return new NativeWebContentsModalDialogManagerViews(manager);
+CreateNativeManager(
+    NativeWebContentsModalDialogManagerDelegate* native_delegate) {
+  return new NativeWebContentsModalDialogManagerViews(native_delegate);
 }