extensions: Add ExtensionView interface.

chrome/browser/ui/views/extensions/extension_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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_VIEW_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_VIEW_VIEWS_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "chrome/browser/extensions/extension_view.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/views/controls/native/native_view_host.h"
 
 class Browser;
 
 namespace content {
 class RenderViewHost;
 }
 
 namespace extensions {
 class Extension;
 class ExtensionHost;
 }
 
 // This handles the display portion of an ExtensionHost.
-class ExtensionViewViews : public views::NativeViewHost {
+class ExtensionViewViews : public ExtensionView,
+                           public views::NativeViewHost {
  public:
   ExtensionViewViews(extensions::ExtensionHost* host, Browser* browser);
   virtual ~ExtensionViewViews();
 
   // A class that represents the container that this view is in.
   // (bottom shelf, side bar, etc.)
   class Container {
    public:
     virtual ~Container() {}
     virtual void OnExtensionSizeChanged(ExtensionViewViews* view) {}
@@ skipping 68 matching lines @@
   // Note: the view does not own its container.
   Container* container_;
 
   // Whether this extension view is clipped.
   bool is_clipped_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionViewViews);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_EXTENSIONS_EXTENSION_VIEW_VIEWS_H_