Revert of Combine PDF plugin into the Chromium binary.

chrome/common/chrome_paths.h

 // Copyright (c) 2012 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"
 
 namespace base {
@@ skipping 65 matching lines @@
   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_FLASH_PLUGIN,            // Full path to the internal NPAPI Flash plugin
                                 // file. Querying this path will succeed no
                                 // matter the file exists or not.
   FILE_PEPPER_FLASH_PLUGIN,     // Full path to the bundled Pepper Flash plugin
                                 // file.
+  FILE_PDF_PLUGIN,              // Full path to the internal PDF plugin file.
 
   FILE_NACL_PLUGIN,             // Full path to the internal NaCl plugin file.
   DIR_PNACL_BASE,               // Full path to the base dir for PNaCl.
   DIR_PNACL_COMPONENT,          // Full path to the latest PNaCl version
                                 // (subdir of DIR_PNACL_BASE).
   FILE_O1D_PLUGIN,              // Full path to the O1D Pepper plugin file.
   FILE_EFFECTS_PLUGIN,          // Full path to the Effects Pepper plugin file.
   FILE_GTALK_PLUGIN,            // Full path to the GTalk Pepper plugin file.
   DIR_COMPONENT_WIDEVINE_CDM,   // Directory that contains component-updated
                                 // Widevine CDM files.
@@ skipping 35 matching lines @@
 // Call once to register the provider for the path keys defined above.
 void RegisterPathProvider();
 
 // Get or set the invalid user data dir that was originally specified.
 void SetInvalidSpecifiedUserDataDir(const base::FilePath& user_data_dir);
 const base::FilePath& GetInvalidSpecifiedUserDataDir();
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_CHROME_PATHS_H__