Upstreaming AndroidProtocolAdapter.

build/jar_file_jni_generator.gypi

+# 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.
+
+# This file is meant to be included into a target to provide a rule
+# to generate jni bindings for system Java-files in a consistent manner.
+#
+# To use this, create a gyp target with the following form:
+#  {
+#    'target_name': 'android_jar_jni_headers',
+#    'type': 'none',
+#    'variables': {
+#      'jni_gen_dir': 'chrome',
+#      'input_java_class' : 'java/io/InputStream.class',
+#      'android_sdk': '/somewhere/sdk/',

[Yaron, 2012/08/01 20:27:26]

This would have to go too.

[felipeg, 2012/08/02 13:20:38]

Done.

+#    },
+#    'sources': [
+#      '<(android_sdk)/android.jar',
+#    ],
+#    'includes': [ '../build/system_classes_jni_generator.gypi' ],

[Yaron, 2012/08/01 20:27:26]

update

[felipeg, 2012/08/02 13:20:38]

Done.

+#  },
+
+{
+  'variables': {
+    'jni_generator': '<(DEPTH)/base/android/jni_generator/jni_generator.py',
+  },
+  'rules': [
+    {
+      'rule_name': 'generate_jni_headers_from_jar_file',
+      'extension': 'jar',
+      'inputs': [
+        '<(jni_generator)',
+      ],
+      'outputs': [
+        '<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_dir)/jni/<(RULE_INPUT_ROOT)_jni.h',

[Yaron, 2012/08/01 20:27:26]

I don't think this generates it with the right name. In jni_generator.gypi the
"inputs" are java files. Here it's a jar. You don't want the generated header to
have the jar name in it's path

[felipeg, 2012/08/02 13:20:38]

Done.

+      ],
+      'action': [
+        '<(jni_generator)',
+        '-j',
+        '<(RULE_INPUT_PATH)',
+        '--input_file',
+        '<(input_java_class)',
+        '--output_dir',
+        '<(SHARED_INTERMEDIATE_DIR)/<(jni_gen_dir)/jni',
+      ],
+      'message': 'Generating JNI bindings from <(RULE_INPUT_PATH)',
+      'process_outputs_as_sources': 1,
+    },
+  ],
+  # This target exports a hard dependency because it generates header
+  # files.
+  'hard_dependency': 1,
+}