Implement layoutTestController.display() method....

webkit/tools/test_shell/layout_test_controller.cc

 // Copyright (c) 2006-2008 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.
 
 // This file contains the definition for LayoutTestController.
 
 #include <vector>
 
 #include "webkit/tools/test_shell/layout_test_controller.h"
 
@@ skipping 725 matching lines @@
   result->SetNull();
 }
 
 void LayoutTestController::dumpSelectionRect(
     const CppArgumentList& args, CppVariant* result) {
   result->SetNull();
 }
 
 void LayoutTestController::display(
     const CppArgumentList& args, CppVariant* result) {
+  WebViewHost* view_host = shell_->webViewHost();
+  view_host->Paint();
+  view_host->DisplayRepaintMask();
   result->SetNull();
 }
 
 void LayoutTestController::testRepaint(
     const CppArgumentList& args, CppVariant* result) {
   result->SetNull();
 }
 
 void LayoutTestController::repaintSweepHorizontally(
     const CppArgumentList& args, CppVariant* result) {
@@ skipping 185 matching lines @@
 
   WebKit::WebURL url(GURL(args[0].ToString()));
   if (!url.isValid())
     return;
 
   WebKit::whiteListAccessFromOrigin(url,
                                     WebString::fromUTF8(args[1].ToString()),
                                     WebString::fromUTF8(args[2].ToString()),
                                     args[3].ToBoolean());
 }