Move Sad Tab implementation out of the TabContentsViews.

chrome/browser/ui/views/tab_contents/tab_contents_view_views.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_TAB_CONTENTS_VIEW_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_TAB_CONTENTS_VIEW_VIEWS_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "base/timer.h"
 #include "chrome/browser/tab_contents/render_view_host_delegate_helper.h"
 #include "chrome/browser/ui/views/tab_contents/native_tab_contents_view_delegate.h"
 #include "content/browser/tab_contents/tab_contents_view.h"
 #include "views/widget/widget.h"
 
 class ConstrainedWindowGtk;
 class NativeTabContentsView;
 class RenderViewContextMenuViews;
-class SadTabView;
 class SkBitmap;
 struct WebDropData;
 namespace gfx {
 class Point;
 class Size;
 }
 namespace views {
 class Widget;
 }
 
 // Views-specific implementation of the TabContentsView.
-// TODO(beng): Remove last remnants of Windows-specificity, and make this
-//             subclass Widget.
 class TabContentsViewViews : public views::Widget,
                              public TabContentsView,
                              public internal::NativeTabContentsViewDelegate {
  public:
   // The corresponding TabContents is passed in the constructor, and manages our
   // lifetime. This doesn't need to be the case, but is this way currently
   // because that's what was easiest when they were split.
   explicit TabContentsViewViews(TabContents* tab_contents);
   virtual ~TabContentsViewViews();
 
@@ skipping 25 matching lines @@
   virtual void RenderViewCreated(RenderViewHost* host) OVERRIDE;
   virtual void Focus() OVERRIDE;
   virtual void SetInitialFocus() OVERRIDE;
   virtual void StoreFocus() OVERRIDE;
   virtual void RestoreFocus() OVERRIDE;
   virtual bool IsDoingDrag() const OVERRIDE;
   virtual void CancelDragAndCloseTab() OVERRIDE;
   virtual bool IsEventTracking() const;
   virtual void CloseTabAfterEventTracking();
   virtual void GetViewBounds(gfx::Rect* out) const OVERRIDE;
+  virtual void InstallOverlayView(gfx::NativeView view) OVERRIDE;
+  virtual void RemoveOverlayView() OVERRIDE;
 
   // Implementation of RenderViewHostDelegate::View.
   virtual void CreateNewWindow(
       int route_id,
       const ViewHostMsg_CreateWindow_Params& params) OVERRIDE;
   virtual void CreateNewWidget(int route_id,
                                WebKit::WebPopupType popup_type) OVERRIDE;
   virtual void CreateNewFullscreenWidget(int route_id) OVERRIDE;
   virtual void ShowCreatedWindow(int route_id,
                                  WindowOpenDisposition disposition,
@@ skipping 57 matching lines @@
   // ---------------------------------------------------------------------------
 
   // The TabContents whose contents we display.
   TabContents* tab_contents_;
 
   // Common implementations of some RenderViewHostDelegate::View methods.
   RenderViewHostDelegateViewHelper delegate_view_helper_;
 
   NativeTabContentsView* native_tab_contents_view_;
 
-  // If non-null we're showing a sad tab. SadTabView is hosted in a separate
-  // widget so that TabContentsViewViews does not need to draw, and can be
-  // created without a texture.
-  views::Widget* sad_tab_widget_;
-
   // The id used in the ViewStorage to store the last focused view.
   int last_focused_view_storage_id_;
 
   // The context menu. Callbacks are asynchronous so we need to keep it around.
   scoped_ptr<RenderViewContextMenuViews> context_menu_;
 
   // Set to true if we want to close the tab after the system drag operation
   // has finished.
   bool close_tab_after_drag_ends_;
 
   // Used to close the tab after the stack has unwound.
   base::OneShotTimer<TabContentsViewViews> close_tab_timer_;
 
   // The FocusManager associated with this tab.  Stored as it is not directly
   // accessible when un-parented.
   mutable const views::FocusManager* focus_manager_;
 
+  // The overlaid view. Owned by the caller of |InstallOverlayView|; this is a
+  // weak reference.
+  views::Widget* overlaid_view_;
+
   DISALLOW_COPY_AND_ASSIGN(TabContentsViewViews);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_TAB_CONTENTS_VIEW_VIEWS_H_