Implement WebContentsModalDialogManagerDelegate for ShellWindow

chrome/browser/ui/gtk/extensions/native_app_window_gtk.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_GTK_EXTENSIONS_NATIVE_APP_WINDOW_GTK_H_
 #define CHROME_BROWSER_UI_GTK_EXTENSIONS_NATIVE_APP_WINDOW_GTK_H_
 
 #include <gtk/gtk.h>
 
+#include "base/observer_list.h"
 #include "base/timer.h"
 #include "chrome/browser/ui/extensions/native_app_window.h"
 #include "chrome/browser/ui/extensions/shell_window.h"
 #include "chrome/browser/ui/gtk/extensions/extension_view_gtk.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/base/gtk/gtk_signal.h"
 #include "ui/base/x/active_window_watcher_x_observer.h"
 #include "ui/gfx/rect.h"
 
 class ExtensionKeybindingRegistryGtk;
@@ skipping 40 matching lines @@
   virtual bool IsFullscreenOrPending() const OVERRIDE;
   virtual void UpdateWindowIcon() OVERRIDE;
   virtual void UpdateWindowTitle() OVERRIDE;
   virtual void HandleKeyboardEvent(
       const content::NativeWebKeyboardEvent& event) OVERRIDE;
   virtual void UpdateDraggableRegions(
       const std::vector<extensions::DraggableRegion>& regions) OVERRIDE;
   virtual void RenderViewHostChanged() OVERRIDE;
   virtual gfx::Insets GetFrameInsets() const OVERRIDE;
 
+  // WebContentsModalDialogHost implementation.
+  virtual gfx::Point GetDialogPosition(const gfx::Size& size) OVERRIDE;
+  virtual void AddObserver(
+      WebContentsModalDialogHostObserver* observer) OVERRIDE;
+  virtual void RemoveObserver(
+      WebContentsModalDialogHostObserver* observer) OVERRIDE;
+
   content::WebContents* web_contents() const {
     return shell_window_->web_contents();
   }
   const extensions::Extension* extension() const {
     return shell_window_->extension();
   }
 
   virtual ~NativeAppWindowGtk();
 
   // If the point (|x|, |y|) is within the resize border area of the window,
@@ skipping 53 matching lines @@
   GdkCursor* frame_cursor_;
 
   // The timer used to save the window position for session restore.
   base::OneShotTimer<NativeAppWindowGtk> window_configure_debounce_timer_;
 
   // The Extension Keybinding Registry responsible for registering listeners for
   // accelerators that are sent to the window, that are destined to be turned
   // into events and sent to the extension.
   scoped_ptr<ExtensionKeybindingRegistryGtk> extension_keybinding_registry_;
 
+  // Observers to be notified when any web contents modal dialog requires
+  // updating its dimensions.
+  ObserverList<WebContentsModalDialogHostObserver> observer_list_;
+
   DISALLOW_COPY_AND_ASSIGN(NativeAppWindowGtk);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_EXTENSIONS_NATIVE_APP_WINDOW_GTK_H_