Remove dead code from unit tests

Source/web/tests/PageSerializerTest.cpp

 /*
  * Copyright (c) 2013, Opera Software ASA. 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
@@ skipping 57 matching lines @@
     {
         // We want the images to load and JavaScript to be on.
         m_helper.initialize(true, 0, 0, &configureSettings);
     }
 
     virtual void TearDown()
     {
         Platform::current()->unitTestSupport()->unregisterAllMockedURLs();
     }
 
-    void setBaseUrl(const char* url)
-    {
-        m_baseUrl = toKURL(url);
-    }
-
     void setBaseFolder(const char* folder)
     {
         m_folder = WebString::fromUTF8(folder);
     }
 
     void registerURL(const char* file, const char* mimeType)
     {
         registerMockedURLLoad(KURL(m_baseUrl, file), WebString::fromUTF8(file), m_folder, WebString::fromUTF8(mimeType));
     }
 
@@ skipping 108 matching lines @@
 
     registerURL("font.html", "text/html");
     registerURL("font.ttf", "application/octet-stream");
 
     serialize("font.html");
 
     EXPECT_TRUE(isSerialized("font.ttf", "application/octet-stream"));
 }
 
 }