Make variable names about |className| in PrivateScriptRunner more consistent

Source/build/scripts/make_private_script_source.py

 # Copyright 2014 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.
 
 """Convert PrivateScript's sources to C++ constant strings.
 FIXME: We don't want to add more build scripts. Rewrite this script in grit. crbug.com/388121
 
 Usage:
 python make_private_script_source.py DESTINATION_FILE SOURCE_FILES
 """
@@ skipping 28 matching lines @@
     contents = []
     for input_filename in input_filenames:
         class_name, ext = os.path.splitext(os.path.basename(input_filename))
         with open(input_filename) as input_file:
             input_text = input_file.read()
             hex_values = ['0x{0:02x}'.format(ord(char)) for char in input_text]
             contents.append('const unsigned char kSourceOf%s[] = {\n    %s\n};\n\n' % (
                 class_name, ', '.join(hex_values)))
     contents.append('struct %s {' % source_name)
     contents.append("""
+    const char* scriptClassName;
     const char* className;
-    const char* dependencyClassName;
     const unsigned char* source;
     size_t size;
 };
 
 """)
     contents.append('struct %s k%s[] = {\n' % (source_name, source_name))
     for input_filename in input_filenames:
-        class_name, ext = os.path.splitext(os.path.basename(input_filename))
-        dependency_class_name = extract_partial_interface_name(input_filename) or class_name
-        contents.append('    { "%s", "%s", kSourceOf%s, sizeof(kSourceOf%s) },\n' % (class_name, dependency_class_name, class_name, class_name))
+        script_class_name, ext = os.path.splitext(os.path.basename(input_filename))
+        class_name = extract_partial_interface_name(input_filename) or script_class_name
+        contents.append('    { "%s", "%s", kSourceOf%s, sizeof(kSourceOf%s) },\n' % (script_class_name, class_name, script_class_name, script_class_name))
     contents.append('};\n')
 
     with open(output_filename, 'w') as output_file:
         output_file.write("".join(contents))
 
 
 if __name__ == '__main__':
     sys.exit(main())