Linux: use generated library loader for libspeechd.

tools/generate_library_loader/generate_library_loader.py

 #!/usr/bin/env python
 # 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.
 
 """
 Creates a library loader (a header and implementation file),
 which is a wrapper for dlopen or direct linking with given library.
 
 The loader makes it possible to have the same client code for both cases,
@@ skipping 26 matching lines @@
 #include "base/native_library.h"
 #endif
 
 class %(class_name)s {
  public:
   %(class_name)s();
   ~%(class_name)s();
 
   bool Load(const std::string& library_name) WARN_UNUSED_RESULT;
 
+  bool loaded() const { return loaded_; }
+
 %(member_decls)s
 
  private:
   void CleanUp(bool unload);
 
 #if defined(%(unique_prefix)s_DLOPEN)
   base::NativeLibrary library_;
 #endif
 
   bool loaded_;
@@ skipping 188 matching lines @@
   impl_file = open(os.path.join(source_tree_root, options.output_cc), 'w')
   try:
     impl_file.write(impl_contents)
   finally:
     impl_file.close()
 
   return 0
 
 if __name__ == '__main__':
   sys.exit(main())