Enable support for notifications layout tests in test shell....

webkit/tools/test_shell/test_webview_delegate.h

 // Copyright (c) 2010 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.
 
 // TestWebViewDelegate class:
 // This class implements the WebViewDelegate methods for the test shell.  One
 // instance is owned by each TestShell.
 
 #ifndef WEBKIT_TOOLS_TEST_SHELL_TEST_WEBVIEW_DELEGATE_H_
 #define WEBKIT_TOOLS_TEST_SHELL_TEST_WEBVIEW_DELEGATE_H_
@@ skipping 115 matching lines @@
       const WebKit::WebPoint& from, const WebKit::WebDragData& data,
       WebKit::WebDragOperationsMask mask);
   virtual void startDragging(
       const WebKit::WebDragData& data, WebKit::WebDragOperationsMask mask,
       const WebKit::WebImage& image, const WebKit::WebPoint& offset);
   virtual void navigateBackForwardSoon(int offset);
   virtual int historyBackListCount();
   virtual int historyForwardListCount();
   virtual void focusAccessibilityObject(
       const WebKit::WebAccessibilityObject& object);
+  virtual WebKit::WebNotificationPresenter* notificationPresenter();
 
   // WebKit::WebWidgetClient
   virtual void didInvalidateRect(const WebKit::WebRect& rect);
   virtual void didScrollRect(int dx, int dy,
                              const WebKit::WebRect& clip_rect);
   virtual void didFocus();
   virtual void didBlur();
   virtual void didChangeCursor(const WebKit::WebCursorInfo& cursor);
   virtual void closeWidgetSoon();
   virtual void show(WebKit::WebNavigationPolicy policy);
@@ skipping 275 matching lines @@
   std::string edit_command_name_;
   std::string edit_command_value_;
 
   // The mock spellchecker used in TestWebViewDelegate::spellCheck().
   MockSpellCheck mock_spellcheck_;
 
   DISALLOW_COPY_AND_ASSIGN(TestWebViewDelegate);
 };
 
 #endif  // WEBKIT_TOOLS_TEST_SHELL_TEST_WEBVIEW_DELEGATE_H_