Add a ExtensionBrowserTest base class

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"
@@ skipping 14 matching lines @@
 struct WebPreferences;
 
 // This class is the browser component of an extension component's RenderView.
 // It handles setting up the renderer process, if needed, with special
 // privileges available to extensions.  It may have a view to be shown in the
 // in the browser UI, or it may be hidden.
 class ExtensionHost : public RenderViewHostDelegate,
                       public RenderViewHostDelegate::View,
                       public ExtensionFunctionDispatcher::Delegate {
  public:
+  // Enable DOM automation in created render view hosts.
+  static void EnableDOMAutomation() { enable_dom_automation_ = true; }
+
   ExtensionHost(Extension* extension, SiteInstance* site_instance,
                 const GURL& url);
   ~ExtensionHost();
 
 #if defined(TOOLKIT_VIEWS)
   void set_view(ExtensionView* view) { view_.reset(view); }
   ExtensionView* view() const { return view_.get(); }
 #endif
 
   // Create an ExtensionView and tie it to this host and |browser|.
@@ skipping 52 matching lines @@
   virtual void StartDragging(const WebDropData& drop_data);
   virtual void UpdateDragCursor(bool is_drop_target);
   virtual void GotFocus();
   virtual void TakeFocus(bool reverse);
   virtual void HandleKeyboardEvent(const NativeWebKeyboardEvent& event);
   virtual void HandleMouseEvent();
   virtual void HandleMouseLeave();
   virtual void UpdatePreferredWidth(int pref_width);
 
  private:
+  // Whether to allow DOM automation for created RenderViewHosts. This is used
+  // for testing.
+  static bool enable_dom_automation_;
+
   // ExtensionFunctionDispatcher::Delegate
   // If this ExtensionHost has a view, this returns the Browser that view is a
   // part of.  If this is a global background page, we use the active Browser
   // instead.
   virtual Browser* GetBrowser();
 
   // The extension that we're hosting in this view.
   Extension* extension_;
 
   // The profile that this host is tied to.
@@ skipping 15 matching lines @@
 
   // The URL being hosted.
   GURL url_;
 
   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionHost);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_