views: Forward declare more classes in balloon_view_views.h.

chrome/browser/ui/views/notifications/balloon_view_views.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.
 
-// Draws the view for the balloons.
-
 #ifndef CHROME_BROWSER_UI_VIEWS_NOTIFICATIONS_BALLOON_VIEW_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_NOTIFICATIONS_BALLOON_VIEW_VIEWS_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/notifications/balloon.h"
-#include "chrome/browser/ui/views/notifications/balloon_view_host.h"
+#include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "ui/base/animation/animation_delegate.h"
-#include "ui/gfx/path.h"
-#include "ui/gfx/point.h"
 #include "ui/gfx/rect.h"
-#include "ui/gfx/size.h"
-#include "ui/views/controls/button/menu_button.h"
+#include "ui/views/controls/button/button.h"
 #include "ui/views/controls/button/menu_button_listener.h"
-#include "ui/views/controls/label.h"
-#include "ui/views/view.h"
 #include "ui/views/widget/widget_delegate.h"
 
 class BalloonCollection;
+class BalloonViewHost;
 class NotificationOptionsMenuModel;
 
+namespace gfx {
+class Path;
+}
+
 namespace ui {
 class SlideAnimation;
 }
 
 namespace views {
-class ButtonListener;
 class ImageButton;
+class Label;
+class MenuButton;
 class MenuRunner;
 }
 
 // A balloon view is the UI component for a desktop notification toasts.
 // It draws a border, and within the border an HTML renderer.
 class BalloonViewImpl : public BalloonView,
                         public views::MenuButtonListener,
                         public views::WidgetDelegateView,
                         public views::ButtonListener,
                         public content::NotificationObserver,
@@ skipping 20 matching lines @@
 
   // views::MenuButtonListener interface.
   virtual void OnMenuButtonClicked(views::View* source,
                                    const gfx::Point& point) OVERRIDE;
 
   // views::WidgetDelegate interface.
   virtual void OnDisplayChanged() OVERRIDE;
   virtual void OnWorkAreaChanged() OVERRIDE;
 
   // views::ButtonListener interface.
-  virtual void ButtonPressed(
-      views::Button* sender, const views::Event&) OVERRIDE;
+  virtual void ButtonPressed(views::Button* sender,
+                             const views::Event&) OVERRIDE;
 
   // content::NotificationObserver interface.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // ui::AnimationDelegate interface.
   virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
 
   // Initializes the options menu.
@@ skipping 70 matching lines @@
 
   content::NotificationRegistrar notification_registrar_;
 
   // Set to true if this is browser generate web UI.
   bool enable_web_ui_;
 
   DISALLOW_COPY_AND_ASSIGN(BalloonViewImpl);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_NOTIFICATIONS_BALLOON_VIEW_VIEWS_H_