Implement layoutTestController.display() method....

webkit/tools/test_shell/test_shell.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 194 matching lines @@
 
     // Writes the back-forward list data for this test shell into result.
     void DumpBackForwardList(std::wstring* result);
 
     // Dumps the output from given test as text and/or image depending on
     // the flags set.
     static void Dump(TestShell* shell);
 
     // Writes the image captured from the given web frame to the given file.
     // The returned string is the ASCII-ized MD5 sum of the image.
-    static std::string DumpImage(WebView* view,
+    static std::string DumpImage(skia::PlatformCanvas* canvas,
                                  const std::wstring& file_name,
                                  const std::string& pixel_hash);
 
     static void ResetWebPreferences();
 
     static void SetAllowScriptsToCloseWindows();
 
     WebPreferences* GetWebPreferences() { return web_prefs_; }
 
     // Some layout tests hardcode a file:///tmp/LayoutTests URL.  We get around
@@ skipping 118 matching lines @@
 #if defined(OS_WIN)
     // Used by the watchdog to know when it's finished.
     HANDLE finished_event_;
 #endif
 
     // Dump the stats table counters on exit.
     bool dump_stats_table_on_exit_;
 };
 
 #endif // WEBKIT_TOOLS_TEST_SHELL_TEST_SHELL_H_