Fixes a crash caused due to a call to NPP_DestroyStream occuring in the conte...

webkit/glue/plugins/test/plugin_geturl_test.h

 // 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.
 
 #ifndef WEBKIT_PORT_PLUGINS_TEST_PLUGIN_GETURL_TEST_H__
 #define WEBKIT_PORT_PLUGINS_TEST_PLUGIN_GETURL_TEST_H__
 
 #include <stdio.h>
 
 #include "webkit/glue/plugins/test/plugin_test.h"
 
 namespace NPAPIClient {
 
 // The PluginGetURLTest test functionality of the NPN_GetURL
 // and NPN_GetURLNotify methods.
 //
 // This test first discovers it's URL by sending a GetURL request
 // for 'javascript:top.location'.  After receiving that, the
 // test will request the url itself (again via GetURL).
 class PluginGetURLTest : public PluginTest {
  public:
   // Constructor.
   PluginGetURLTest(NPP id, NPNetscapeFuncs *host_functions);
 
   //
   // NPAPI functions
   //
+  virtual NPError New(uint16 mode, int16 argc, const char* argn[],
+                      const char* argv[], NPSavedData* saved);
   virtual NPError SetWindow(NPWindow* pNPWindow);
   virtual NPError NewStream(NPMIMEType type, NPStream* stream,
                             NPBool seekable, uint16* stype);
   virtual int32   WriteReady(NPStream *stream);
   virtual int32   Write(NPStream *stream, int32 offset, int32 len,
                         void *buffer);
   virtual NPError DestroyStream(NPStream *stream, NPError reason);
   virtual void    StreamAsFile(NPStream* stream, const char* fname);
   virtual void    URLNotify(const char* url, NPReason reason, void* data);
 
  private:
   bool tests_started_;
   int tests_in_progress_;
   std::string self_url_;
   FILE* test_file_;
+  bool expect_404_response_;
+  // This flag is set to true in the context of the NPN_Evaluate call.
+  bool npn_evaluate_context_;
+  std::string page_not_found_url_;
 };
 
 } // namespace NPAPIClient
 
 #endif  // WEBKIT_PORT_PLUGINS_TEST_PLUGIN_GETURL_TEST_H__