Use internal pdf plugin with --internal-pdf

chrome/common/chrome_paths.h

 // Copyright (c) 2006-2010 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.
 
 #ifndef CHROME_COMMON_CHROME_PATHS_H__
 #define CHROME_COMMON_CHROME_PATHS_H__
 
 #include "build/build_config.h"
 
 // This file declares path keys for the chrome module.  These can be used with
@@ skipping 22 matching lines @@
   FILE_RESOURCE_MODULE,         // Full path and filename of the module that
                                 // contains embedded resources (version,
                                 // strings, images, etc.).
   FILE_LOCAL_STATE,             // Path and filename to the file in which
                                 // machine/installation-specific state is saved.
   FILE_RECORDED_SCRIPT,         // Full path to the script.log file that
                                 // contains recorded browser events for
                                 // playback.
   FILE_GEARS_PLUGIN,            // Full path to the gears.dll plugin file.
   FILE_FLASH_PLUGIN,            // Full path to the internal Flash plugin file.
+  FILE_PDF_PLUGIN,              // Full path to the internal PDF plugin file.
   FILE_LIBAVCODEC,              // Full path to libavcodec media decoding
                                 // library.
   FILE_LIBAVFORMAT,             // Full path to libavformat media parsing
                                 // library.
   FILE_LIBAVUTIL,               // Full path to libavutil media utility library.
 #if defined(OS_CHROMEOS)
   FILE_CHROMEOS_API,            // Full path to chrome os api shared object.
 #endif
 
 
   // Valid only in development environment; TODO(darin): move these
   DIR_TEST_DATA,                // Directory where unit test data resides.
   DIR_TEST_TOOLS,               // Directory where unit test tools reside.
 
   PATH_END
 };
 
 // Call once to register the provider for the path keys defined above.
 void RegisterPathProvider();
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_CHROME_PATHS_H__