Upstreaming AndroidProtocolAdapter.

build/system_classes_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': 'chrome_jni_headers_for_system_classes',
+#    'type': 'none',
+#    'sources': [
+#      'android/java/src/org/chromium/chrome/browser/AndroidProtocolAdapter.java',
+#      ...
+#    ],
+#    'variables': {
+#      'jni_gen_dir': 'chrome',
+#      'input_java_class' : 'java/io/InputStream.class',
+#    },
+#    'includes': [ '../build/system_classes_jni_generator.gypi' ],
+#  },
+#
+# See jni_generator.gypi for more information.
+
+{
+  'includes': [ 'jni_generator.gypi' ],
+  'actions': [
+    {
+      'action_name': 'generate_jni_headers_for_system_classes',
+      'variables' : {
+        'android_sdk%':
+          '<!(if [ -f $ANDROID_SDK_ROOT/android.jar ]; then \
+                /bin/echo -n $ANDROID_SDK_ROOT ; \
+              else /bin/echo -n \
+                $ANDROID_SDK_ROOT/platforms/android-${ANDROID_SDK_VERSION} ; \
+              fi)',

[Nico, 2012/07/27 14:22:23]

The Gyp Way is to put anything more complex than a short line in an external
script and call the script instead.

[felipeg, 2012/07/30 16:48:54]

Done.

+      },
+      'inputs': [
+        '../base/android/jni_generator/jni_generator.py',
+        '<(android_sdk)/android.jar',
+      ],
+      'outputs': [
+        '<(SHARED_INTERMEDIATE_DIR)/chrome/jni/input_stream_jni.h',
+      ],
+      'action': [
+        'python',
+        '../base/android/jni_generator/jni_generator.py',
+        '-j',
+        '<(android_sdk)/android.jar',
+        '--input_file',
+        '<(input_java_class)',
+        '--output_dir',
+        '<(SHARED_INTERMEDIATE_DIR)/chrome/jni'
+      ],
+    },
+  ],
+}