Add a bare-bones extension shelf that displays extension items on OS X.

chrome/browser/extensions/extension_host.h

 // Copyright (c) 2006-2009 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_EXTENSIONS_EXTENSION_HOST_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_
 
 #include <string>
 
 #include "base/scoped_ptr.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/browser/renderer_host/render_view_host_delegate.h"
 #include "chrome/browser/tab_contents/render_view_host_delegate_helper.h"
 #if defined(TOOLKIT_VIEWS)
 #include "chrome/browser/views/extensions/extension_view.h"
 #elif defined(OS_LINUX)
 #include "chrome/browser/gtk/extension_view_gtk.h"
+#elif defined(OS_MACOSX)
+#include "chrome/browser/cocoa/extension_view_mac.h"
 #endif
 #include "chrome/common/notification_registrar.h"
 
 class Browser;
 class Extension;
 class ExtensionProcessManager;
 class RenderProcessHost;
 class RenderWidgetHost;
 class RenderWidgetHostView;
 class TabContents;
@@ skipping 13 matching lines @@
 
   ExtensionHost(Extension* extension, SiteInstance* site_instance,
                 const GURL& url, ViewType::Type host_type);
   ~ExtensionHost();
 
 #if defined(TOOLKIT_VIEWS)
   void set_view(ExtensionView* view) { view_.reset(view); }
   ExtensionView* view() const { return view_.get(); }
 #elif defined(OS_LINUX)
   ExtensionViewGtk* view() const { return view_.get(); }
+#elif defined(OS_MACOSX)
+  ExtensionViewMac* view() const { return view_.get(); }
 #else
   // TODO(port): implement
   void* view() const { return NULL; }
 #endif
 
   // Create an ExtensionView and tie it to this host and |browser|.
   void CreateView(Browser* browser);
 
   Extension* extension() { return extension_; }
   RenderViewHost* render_view_host() const { return render_view_host_; }
@@ skipping 90 matching lines @@
   Extension* extension_;
 
   // The profile that this host is tied to.
   Profile* profile_;
 
   // Optional view that shows the rendered content in the UI.
 #if defined(TOOLKIT_VIEWS)
   scoped_ptr<ExtensionView> view_;
 #elif defined(OS_LINUX)
   scoped_ptr<ExtensionViewGtk> view_;
+#elif defined(OS_MACOSX)
+  scoped_ptr<ExtensionViewMac> view_;
 #endif
 
   // The host for our HTML content.
   RenderViewHost* render_view_host_;
 
   // Common implementations of some RenderViewHostDelegate::View methods.
   RenderViewHostDelegateViewHelper delegate_view_helper_;
 
   // Whether the RenderWidget has reported that it has stopped loading.
   bool did_stop_loading_;
 
   // True if the main frame has finished parsing.
   bool document_element_available_;
 
   // The URL being hosted.
   GURL url_;
 
   NotificationRegistrar registrar_;
 
   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
 
   // Only EXTENSION_TOOLSTRIP and EXTENSION_BACKGROUND_PAGE are used here,
   // others are not hostd by ExtensionHost.
   ViewType::Type extension_host_type_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionHost);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_