Android: passes a list of qualified JNI parameters as a param to the generator.

chrome/chrome_browser.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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
@@ skipping 2927 matching lines @@
             'android/java/src/org/chromium/chrome/browser/GoogleLocationSettingsHelper.java',
             'android/java/src/org/chromium/chrome/browser/GoogleLocationSettingsHelperStub.java',
             'android/java/src/org/chromium/chrome/browser/IntentHelper.java',
             'android/java/src/org/chromium/chrome/browser/JavascriptAppModalDialog.java',
             'android/java/src/org/chromium/chrome/browser/ProcessUtils.java',
             'android/java/src/org/chromium/chrome/browser/TabBase.java',
             'android/java/src/org/chromium/chrome/browser/database/SQLiteCursor.java',
           ],
           'variables': {
             'jni_gen_dir': 'chrome',
+            'jni_external_param_list': 'browser/android/class_list.jni',
           },
           'includes': [ '../build/jni_generator.gypi' ],
         },
       ],
      },
     ],
     ['OS=="linux"', {
       'targets': [
         {
           # Protobuf compiler / generator for the MtpFileEntry and
@@ skipping 21 matching lines @@
             'proto_in_dir': '../third_party/cros_system_api/dbus',
             'proto_out_dir': 'chrome/browser/media_transfer_protocol',
           },
           'includes': ['../build/protoc.gypi'],
         },
       ],
      },
     ],
   ],
 }