Fix python bindings generator.

mojo/public/tools/bindings/mojom_bindings_generator.gypi

 # Copyright 2013 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.
 
 {
   'rules': [
     {
       'rule_name': '<(_target_name)_mojom_bindings_generator',
       'extension': 'mojom',
       'variables': {
@@ skipping 57 matching lines @@
         '<(DEPTH)/mojo/public/tools/bindings/pylib/mojom/parse/__init__.py',
         '<(DEPTH)/mojo/public/tools/bindings/pylib/mojom/parse/ast.py',
         '<(DEPTH)/mojo/public/tools/bindings/pylib/mojom/parse/lexer.py',
         '<(DEPTH)/mojo/public/tools/bindings/pylib/mojom/parse/parser.py',
         '<(DEPTH)/mojo/public/tools/bindings/pylib/mojom/parse/translate.py',
       ],
       'outputs': [
         '<(SHARED_INTERMEDIATE_DIR)/<(mojom_base_output_dir)/<(RULE_INPUT_DIRNAME)/<(RULE_INPUT_ROOT).mojom.cc',
         '<(SHARED_INTERMEDIATE_DIR)/<(mojom_base_output_dir)/<(RULE_INPUT_DIRNAME)/<(RULE_INPUT_ROOT).mojom.h',
         '<(SHARED_INTERMEDIATE_DIR)/<(mojom_base_output_dir)/<(RULE_INPUT_DIRNAME)/<(RULE_INPUT_ROOT).mojom.js',
-        '<(SHARED_INTERMEDIATE_DIR)/<(mojom_base_output_dir)/<(RULE_INPUT_DIRNAME)/<(RULE_INPUT_ROOT).mojom.py',
+        '<(SHARED_INTERMEDIATE_DIR)/<(mojom_base_output_dir)/<(RULE_INPUT_DIRNAME)/<(RULE_INPUT_ROOT)_mojom.py',
         '<(SHARED_INTERMEDIATE_DIR)/<(mojom_base_output_dir)/<(RULE_INPUT_DIRNAME)/<(RULE_INPUT_ROOT).mojom-internal.h',
       ],
       'action': [
         'python', '<@(mojom_bindings_generator)',
         './<(RULE_INPUT_DIRNAME)/<(RULE_INPUT_ROOT).mojom',
         '--use_chromium_bundled_pylibs',
         '-d', '<(DEPTH)',
         '<@(mojom_import_args)',
         '-o', '<(SHARED_INTERMEDIATE_DIR)/<(mojom_base_output_dir)/<(RULE_INPUT_DIRNAME)',
         '--java_output_directory=<(java_out_dir)',
@@ skipping 12 matching lines @@
       '<(SHARED_INTERMEDIATE_DIR)',
     ],
     'variables': {
       'generated_src_dirs': [
         '<(PRODUCT_DIR)/java_mojo/<(_target_name)/src',
       ],
     },
   },
   'hard_dependency': 1,
 }